79681562604 has 72 divisors (see below), whose sum is σ = 230252771840. Its totient is φ = 22760069472.

The previous prime is 79681562603. The next prime is 79681562621. The reversal of 79681562604 is 40626518697.

79681562604 is a `hidden beast` number, since 7 + 9 + 6 + 8 + 1 + 5 + 626 + 0 + 4 = 666.

It is not an unprimeable number, because it can be changed into a prime (79681562603) 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, 947247 + ... + 1027929.

Almost surely, 2^79681562604 is an apocalyptic number.

It is an amenable number.

79681562604 is an abundant number, since it is smaller than the sum of its proper divisors (150571209236).

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

79681562604 is a wasteful number, since it uses less digits than its factorization.

79681562604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84619 (or 84614 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 54.

The spelling of 79681562604 in words is "seventy-nine billion, six hundred eighty-one million, five hundred sixty-two thousand, six hundred four".