78973164 has 24 divisors (see below), whose sum is σ = 204745520. Its totient is φ = 26324352.

The previous prime is 78973121. The next prime is 78973183. The reversal of 78973164 is 46137987.

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, 365509 + ... + 365724.

Almost surely, 2^78973164 is an apocalyptic number.

It is an amenable number.

78973164 is an abundant number, since it is smaller than the sum of its proper divisors (125772356).

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

78973164 is a wasteful number, since it uses less digits than its factorization.

78973164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 731246 (or 731238 counting only the distinct ones).

The product of its digits is 254016, while the sum is 45.

The square root of 78973164 is about 8886.6846461434. The cubic root of 78973164 is about 429.0354511268.

The spelling of 78973164 in words is "seventy-eight million, nine hundred seventy-three thousand, one hundred sixty-four".