77957004 has 12 divisors (see below), whose sum is σ = 181899704. Its totient is φ = 25985664.

The previous prime is 77956999. The next prime is 77957041. The reversal of 77957004 is 40075977.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3248197 + ... + 3248220.

Almost surely, 2^77957004 is an apocalyptic number.

It is an amenable number.

77957004 is an abundant number, since it is smaller than the sum of its proper divisors (103942700).

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

77957004 is a wasteful number, since it uses less digits than its factorization.

77957004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6496424 (or 6496422 counting only the distinct ones).

The product of its (nonzero) digits is 61740, while the sum is 39.

The square root of 77957004 is about 8829.3263616201. The cubic root of 77957004 is about 427.1873463758.

The spelling of 77957004 in words is "seventy-seven million, nine hundred fifty-seven thousand, four".