78 in words
78
seventy-eight
78 is written seventy-eight.
Ways to write it
- As an ordinal
- seventy-eighth
- Roman numeral
- LXXVIII
- Expanded form
- 70 + 8
Place value
| Place | Digit | Value |
|---|---|---|
| tens | 7 | 70 |
| ones | 8 | 8 |
Number facts
Quick check
What number comes just after 78?
Show the answer
79
Is 78 even or odd?
Show the answer
Even
What is 78 + 10?
Show the answer
88
Practise with a game
Place Value Quest
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Times Tables Challenge
Practise any times table from 2× to 12×.Frequently asked questions
How do you write 78 in words?
78 is written "seventy-eight".
Is 78 a prime number?
No. 78 is a composite number, because it has more than two factors.
What are the factors of 78?
The factors of 78 are 1, 2, 3, 6, 13, 26, 39 and 78.
How do you write 78 in Roman numerals?
78 in Roman numerals is LXXVIII.