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87 in words

87

eighty-seven

87 is written eighty-seven.

Ways to write it

As an ordinal: eighty-seventh
Roman numeral: LXXXVII
Expanded form: 80 + 7

Place value

Place	Digit	Value
tens	8	80
ones	7	7

Number facts

Even or odd: Odd
Prime or composite: Composite
Factors: 1, 3, 29 and 87 (4 factors)
First 10 multiples: 87, 174, 261, 348, 435, 522, 609, 696, 783, 870
Square: 87 × 87 = 7,569
Square root: ≈ 9.33
Sum of the digits: 8 + 7 = 15
Rounded to the nearest 10: 90
Number before: 86
Number after: 88
In binary: 1010111

Quick check

What number comes just after 87?
Show the answer
88
Is 87 even or odd?
Show the answer
Odd
What is 87 + 10?
Show the answer
97

Practice with a game

Count with Me

Count pictures up to 5, 10 or 20 and compare groups.

Place Value Quest

Ones, tens, hundreds and thousands.

Times Tables Challenge

Practice any times table from 2× to 12×.

Frequently asked questions

How do you write 87 in words?

87 is written "eighty-seven".

Is 87 a prime number?

No. 87 is a composite number, because it has more than two factors.

What are the factors of 87?

The factors of 87 are 1, 3, 29 and 87.

How do you write 87 in Roman numerals?

87 in Roman numerals is LXXXVII.