78700164 has 24 divisors (see below), whose sum is σ = 183787968. Its totient is φ = 26211360.

The previous prime is 78700151. The next prime is 78700183. The reversal of 78700164 is 46100787.

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, 19009 + ... + 22775.

It is an arithmetic number, because the mean of its divisors is an integer number (7657832).

Almost surely, 2^78700164 is an apocalyptic number.

It is an amenable number.

78700164 is an abundant number, since it is smaller than the sum of its proper divisors (105087804).

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

78700164 is a wasteful number, since it uses less digits than its factorization.

78700164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5515 (or 5513 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 33.

The square root of 78700164 is about 8871.3112897700. The cubic root of 78700164 is about 428.5405070389.

The spelling of 78700164 in words is "seventy-eight million, seven hundred thousand, one hundred sixty-four".