79887916000 has 48 divisors (see below), whose sum is σ = 196284619440. Its totient is φ = 31955164800.

The previous prime is 79887915977. The next prime is 79887916001. The reversal of 79887916000 is 61978897.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79887916001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9981990 + ... + 9989989.

It is an arithmetic number, because the mean of its divisors is an integer number (4089262905).

Almost surely, 2^79887916000 is an apocalyptic number.

It is an amenable number.

79887916000 is an abundant number, since it is smaller than the sum of its proper divisors (116396703440).

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

79887916000 is a wasteful number, since it uses less digits than its factorization.

79887916000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19972004 (or 19971986 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 55.

The spelling of 79887916000 in words is "seventy-nine billion, eight hundred eighty-seven million, nine hundred sixteen thousand".