79552122720 has 96 divisors (see below), whose sum is σ = 286387653888. Its totient is φ = 18183341568.

The previous prime is 79552122707. The next prime is 79552122731. The reversal of 79552122720 is 2722125597.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11834754 + ... + 11841473.

It is an arithmetic number, because the mean of its divisors is an integer number (2983204728).

Almost surely, 2^79552122720 is an apocalyptic number.

79552122720 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

79552122720 is an abundant number, since it is smaller than the sum of its proper divisors (206835531168).

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

79552122720 is a wasteful number, since it uses less digits than its factorization.

79552122720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23676252 (or 23676244 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 42.

The spelling of 79552122720 in words is "seventy-nine billion, five hundred fifty-two million, one hundred twenty-two thousand, seven hundred twenty".