78911168 has 42 divisors (see below), whose sum is σ = 182162196. Its totient is φ = 33817728.

The previous prime is 78911099. The next prime is 78911191. The reversal of 78911168 is 86111987.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9446 + ... + 15717.

Almost surely, 2^78911168 is an apocalyptic number.

It is an amenable number.

78911168 is an abundant number, since it is smaller than the sum of its proper divisors (103251028).

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

78911168 is a wasteful number, since it uses less digits than its factorization.

78911168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25189 (or 25172 counting only the distinct ones).

The product of its digits is 24192, while the sum is 41.

The square root of 78911168 is about 8883.1958213247. The cubic root of 78911168 is about 428.9231537180.

The spelling of 78911168 in words is "seventy-eight million, nine hundred eleven thousand, one hundred sixty-eight".