78852912 has 20 divisors (see below), whose sum is σ = 203703480. Its totient is φ = 26284288.

The previous prime is 78852877. The next prime is 78852929. The reversal of 78852912 is 21925887.

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, 821337 + ... + 821432.

It is an arithmetic number, because the mean of its divisors is an integer number (10185174).

Almost surely, 2^78852912 is an apocalyptic number.

It is an amenable number.

78852912 is an abundant number, since it is smaller than the sum of its proper divisors (124850568).

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

78852912 is a wasteful number, since it uses less digits than its factorization.

78852912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1642780 (or 1642774 counting only the distinct ones).

The product of its digits is 80640, while the sum is 42.

The square root of 78852912 is about 8879.9162158210. The cubic root of 78852912 is about 428.8175772014.

Subtracting from 78852912 its reverse (21925887), we obtain a square (56927025 = 7545²).

The spelling of 78852912 in words is "seventy-eight million, eight hundred fifty-two thousand, nine hundred twelve".