78915036 has 12 divisors (see below), whose sum is σ = 184135112. Its totient is φ = 26305008.

The previous prime is 78915013. The next prime is 78915041. The reversal of 78915036 is 63051987.

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

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 78914985 and 78915003.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3288115 + ... + 3288138.

Almost surely, 2^78915036 is an apocalyptic number.

It is an amenable number.

78915036 is an abundant number, since it is smaller than the sum of its proper divisors (105220076).

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

78915036 is a wasteful number, since it uses less digits than its factorization.

78915036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6576260 (or 6576258 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 78915036 is about 8883.4135330964. The cubic root of 78915036 is about 428.9301617994.

The spelling of 78915036 in words is "seventy-eight million, nine hundred fifteen thousand, thirty-six".