78610164 has 12 divisors (see below), whose sum is σ = 183423744. Its totient is φ = 26203384.

The previous prime is 78610157. The next prime is 78610171. The reversal of 78610164 is 46101687.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (78610157) and next prime (78610171).

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

It is a congruent number.

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, 3275412 + ... + 3275435.

It is an arithmetic number, because the mean of its divisors is an integer number (15285312).

Almost surely, 2^78610164 is an apocalyptic number.

It is an amenable number.

78610164 is an abundant number, since it is smaller than the sum of its proper divisors (104813580).

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

78610164 is a wasteful number, since it uses less digits than its factorization.

78610164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6550854 (or 6550852 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 78610164 is about 8866.2373079001. The cubic root of 78610164 is about 428.3770878237.

The spelling of 78610164 in words is "seventy-eight million, six hundred ten thousand, one hundred sixty-four".