78536604 has 24 divisors (see below), whose sum is σ = 183472128. Its totient is φ = 26147440.

The previous prime is 78536597. The next prime is 78536629. The reversal of 78536604 is 40663587.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7909 + ... + 14819.

It is an arithmetic number, because the mean of its divisors is an integer number (7644672).

Almost surely, 2^78536604 is an apocalyptic number.

It is an amenable number.

78536604 is an abundant number, since it is smaller than the sum of its proper divisors (104935524).

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

78536604 is a wasteful number, since it uses less digits than its factorization.

78536604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7865 (or 7863 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 78536604 is about 8862.0880158121. The cubic root of 78536604 is about 428.2434271913.

The spelling of 78536604 in words is "seventy-eight million, five hundred thirty-six thousand, six hundred four".