That's a fake number - for use in fictional TV shows etc - in case someone is silly enough to think dialling the number will get them through to a real person.
This number is eight billion (8,000,000,000).
As a number eight thousand million is: 8,000,000,000
8000000000 or 8491038000
eight billion
Eight billion.
38.059
421052631.5789
1142857142.8571
$8000000000
8x109= 8000000000
It is: 8.0*10^9
8000000000