78568874 has 16 divisors (see below), whose sum is σ = 125979840. Its totient is φ = 36659040.

The previous prime is 78568837. The next prime is 78568877. The reversal of 78568874 is 47886587.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (78568877) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18944 + ... + 22715.

It is an arithmetic number, because the mean of its divisors is an integer number (7873740).

Almost surely, 2^78568874 is an apocalyptic number.

78568874 is a deficient number, since it is larger than the sum of its proper divisors (47410966).

78568874 is a wasteful number, since it uses less digits than its factorization.

78568874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41725.

The product of its digits is 3010560, while the sum is 53.

The square root of 78568874 is about 8863.9085058455. The cubic root of 78568874 is about 428.3020729793.

The spelling of 78568874 in words is "seventy-eight million, five hundred sixty-eight thousand, eight hundred seventy-four".