79689504 has 24 divisors (see below), whose sum is σ = 209185200. Its totient is φ = 26563136.

The previous prime is 79689497. The next prime is 79689517. The reversal of 79689504 is 40598697.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (48).

79689504 is a modest number, since divided by 9504 gives 7968 as remainder.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 414954 + ... + 415145.

It is an arithmetic number, because the mean of its divisors is an integer number (8716050).

Almost surely, 2^79689504 is an apocalyptic number.

It is an amenable number.

79689504 is an abundant number, since it is smaller than the sum of its proper divisors (129495696).

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

79689504 is a wasteful number, since it uses less digits than its factorization.

79689504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 830112 (or 830104 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 48.

The square root of 79689504 is about 8926.8977814244. The cubic root of 79689504 is about 430.3287624574.

The spelling of 79689504 in words is "seventy-nine million, six hundred eighty-nine thousand, five hundred four".