78516968 has 64 divisors (see below), whose sum is σ = 162993600. Its totient is φ = 35320320.

The previous prime is 78516947. The next prime is 78516979. The reversal of 78516968 is 86961587.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 267830 + ... + 268122.

It is an arithmetic number, because the mean of its divisors is an integer number (2546775).

Almost surely, 2^78516968 is an apocalyptic number.

It is an amenable number.

78516968 is an abundant number, since it is smaller than the sum of its proper divisors (84476632).

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

78516968 is a wasteful number, since it uses less digits than its factorization.

78516968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402 (or 398 counting only the distinct ones).

The product of its digits is 725760, while the sum is 50.

The square root of 78516968 is about 8860.9800812325. The cubic root of 78516968 is about 428.2077339034.

The spelling of 78516968 in words is "seventy-eight million, five hundred sixteen thousand, nine hundred sixty-eight".