79920000072000 has 336 divisors, whose sum is σ = 311876905189824. Its totient is φ = 19374545280000.

The previous prime is 79920000071993. The next prime is 79920000072019. The reversal of 79920000072000 is 27000002997.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 49662546 + ... + 51246545.

Almost surely, 2^{79920000072000} is an apocalyptic number.

It is an amenable number.

79920000072000 is an abundant number, since it is smaller than the sum of its proper divisors (231956905117824).

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

79920000072000 is a wasteful number, since it uses less digits than its factorization.

79920000072000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100909135 (or 100909112 counting only the distinct ones).

The product of its (nonzero) digits is 15876, while the sum is 36.

Adding to 79920000072000 its reverse (27000002997), we get a palindrome (79947000074997).

The spelling of 79920000072000 in words is "seventy-nine trillion, nine hundred twenty billion, seventy-two thousand".