7999960000 has 70 divisors (see below), whose sum is σ = 19837400000. Its totient is φ = 3199968000.

The previous prime is 7999959959. The next prime is 7999960049. The reversal of 7999960000 is 699997.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 60000 + ... + 139999.

Almost surely, 2^7999960000 is an apocalyptic number.

It is an amenable number.

7999960000 is an abundant number, since it is smaller than the sum of its proper divisors (11837440000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7999960000 is an equidigital number, since it uses as much as digits as its factorization.

7999960000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200031 (or 200006 counting only the distinct ones).

The product of its (nonzero) digits is 275562, while the sum is 49.

The square root of 7999960000 is about 89442.4954929143. The cubic root of 7999960000 is about 1999.9966666611.

The spelling of 7999960000 in words is "seven billion, nine hundred ninety-nine million, nine hundred sixty thousand".