78964 has 12 divisors (see below), whose sum is σ = 145600. Its totient is φ = 37368.

The previous prime is 78941. The next prime is 78977. The reversal of 78964 is 46987.

It is a congruent number.

It is an unprimeable number.

78964 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 444 + ... + 595.

2⁷⁸⁹⁶⁴ is an apocalyptic number.

It is an amenable number.

78964 is a deficient number, since it is larger than the sum of its proper divisors (66636).

78964 is a wasteful number, since it uses less digits than its factorization.

78964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1062 (or 1060 counting only the distinct ones).

The product of its digits is 12096, while the sum is 34.

The square root of 78964 is about 281.0053380276. The cubic root of 78964 is about 42.9018855477.

The spelling of 78964 in words is "seventy-eight thousand, nine hundred sixty-four".