Q: What is the negative version of the number 643,621,077?
A: -643,621,077
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:
| 643,621,075 | 643,621,076 | 643,621,078 | 643,621,079 |
| -643,621,075 | -643,621,076 | -643,621,078 | -643,621,079 |