79776704 has 42 divisors (see below), whose sum is σ = 184160160. Its totient is φ = 34188672.

The previous prime is 79776679. The next prime is 79776707. The reversal of 79776704 is 40767797.

It is a happy number.

It is a super-2 number, since 2×79776704² = 12728645002207232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79776707) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9584 + ... + 15855.

Almost surely, 2^79776704 is an apocalyptic number.

It is an amenable number.

79776704 is an abundant number, since it is smaller than the sum of its proper divisors (104383456).

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

79776704 is a wasteful number, since it uses less digits than its factorization.

79776704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25465 (or 25448 counting only the distinct ones).

The product of its (nonzero) digits is 518616, while the sum is 47.

The square root of 79776704 is about 8931.7805615678. The cubic root of 79776704 is about 430.4856672250.

The spelling of 79776704 in words is "seventy-nine million, seven hundred seventy-six thousand, seven hundred four".