78326164 has 12 divisors (see below), whose sum is σ = 156652384. Its totient is φ = 33568344.

The previous prime is 78326159. The next prime is 78326179. The reversal of 78326164 is 46162387.

78326164 is an admirable number.

It is a super-2 number, since 2×78326164² = 12269975933909792, which contains 22 as substring.

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, 1398654 + ... + 1398709.

Almost surely, 2^78326164 is an apocalyptic number.

It is an amenable number.

78326164 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

78326164 is a wasteful number, since it uses less digits than its factorization.

78326164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2797374 (or 2797372 counting only the distinct ones).

The product of its digits is 48384, while the sum is 37.

The square root of 78326164 is about 8850.2070032288. The cubic root of 78326164 is about 427.8605901681.

The spelling of 78326164 in words is "seventy-eight million, three hundred twenty-six thousand, one hundred sixty-four".