79560856728 has 96 divisors (see below), whose sum is σ = 227325150000. Its totient is φ = 25068331008.

The previous prime is 79560856721. The next prime is 79560856733. The reversal of 79560856728 is 82765806597.

79560856728 is a `hidden beast` number, since 7 + 9 + 5 + 60 + 8 + 567 + 2 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79560856721) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 549468 + ... + 678996.

Almost surely, 2^79560856728 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79560856728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113662575000).

79560856728 is an abundant number, since it is smaller than the sum of its proper divisors (147764293272).

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

79560856728 is a wasteful number, since it uses less digits than its factorization.

79560856728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130009 (or 130002 counting only the distinct ones).

The product of its (nonzero) digits is 50803200, while the sum is 63.

The spelling of 79560856728 in words is "seventy-nine billion, five hundred sixty million, eight hundred fifty-six thousand, seven hundred twenty-eight".