79578680 has 32 divisors (see below), whose sum is σ = 179655840. Its totient is φ = 31724160.

The previous prime is 79578679. The next prime is 79578691. The reversal of 79578680 is 8687597.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9242 + ... + 15638.

It is an arithmetic number, because the mean of its divisors is an integer number (5614245).

Almost surely, 2^79578680 is an apocalyptic number.

It is an amenable number.

79578680 is an abundant number, since it is smaller than the sum of its proper divisors (100077160).

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

79578680 is a wasteful number, since it uses less digits than its factorization.

79578680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6719 (or 6715 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 50.

The square root of 79578680 is about 8920.6883142502. The cubic root of 79578680 is about 430.1291841889.

The spelling of 79578680 in words is "seventy-nine million, five hundred seventy-eight thousand, six hundred eighty".