Q: What is the negative version of the number 644,077,423?
A: -644,077,423
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:
| 644,077,421 | 644,077,422 | 644,077,424 | 644,077,425 |
| -644,077,421 | -644,077,422 | -644,077,424 | -644,077,425 |