78476874 has 32 divisors (see below), whose sum is σ = 187176960. Its totient is φ = 21446832.

The previous prime is 78476869. The next prime is 78476891. The reversal of 78476874 is 47867487.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39654 + ... + 41585.

It is an arithmetic number, because the mean of its divisors is an integer number (5849280).

Almost surely, 2^78476874 is an apocalyptic number.

78476874 is an abundant number, since it is smaller than the sum of its proper divisors (108700086).

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

78476874 is a wasteful number, since it uses less digits than its factorization.

78476874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81274.

The product of its digits is 2107392, while the sum is 51.

The square root of 78476874 is about 8858.7174015204. The cubic root of 78476874 is about 428.1348346543.

The spelling of 78476874 in words is "seventy-eight million, four hundred seventy-six thousand, eight hundred seventy-four".