Q: What is the negative version of the number 81,777,440?
A: -81,777,440
Negative numbers are usually written with - in front of them. They represent a number that is less than zero.
Here are more examples of negative numbers in sequence:
| 81,777,438 | 81,777,439 | 81,777,441 | 81,777,442 |
| -81,777,438 | -81,777,439 | -81,777,441 | -81,777,442 |