Q: What is the negative version of the number 643,566,777?
A: -643,566,777
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:
| 643,566,775 | 643,566,776 | 643,566,778 | 643,566,779 |
| -643,566,775 | -643,566,776 | -643,566,778 | -643,566,779 |