Q: What is the negative version of the number 687,306,643?
A: -687,306,643
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:
| 687,306,641 | 687,306,642 | 687,306,644 | 687,306,645 |
| -687,306,641 | -687,306,642 | -687,306,644 | -687,306,645 |