78965604 has 60 divisors (see below), whose sum is σ = 207467568. Its totient is φ = 26190000.

The previous prime is 78965603. The next prime is 78965609. The reversal of 78965604 is 40656987.

78965604 is a `hidden beast` number, since 7 + 89 + 6 + 560 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 78965604.

It is not an unprimeable number, because it can be changed into a prime (78965603) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 80839 + ... + 81809.

Almost surely, 2^78965604 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78965604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103733784).

78965604 is an abundant number, since it is smaller than the sum of its proper divisors (128501964).

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

78965604 is a wasteful number, since it uses less digits than its factorization.

78965604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1238 (or 1227 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 78965604 is about 8886.2592804847. The cubic root of 78965604 is about 429.0217603515.

The spelling of 78965604 in words is "seventy-eight million, nine hundred sixty-five thousand, six hundred four".