Q: What is the negative version of the number 421,777,621?
A: -421,777,621
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:
| 421,777,619 | 421,777,620 | 421,777,622 | 421,777,623 |
| -421,777,619 | -421,777,620 | -421,777,622 | -421,777,623 |