Q: What is the negative version of the number 157,840,639?
A: -157,840,639
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:
| 157,840,637 | 157,840,638 | 157,840,640 | 157,840,641 |
| -157,840,637 | -157,840,638 | -157,840,640 | -157,840,641 |