78782860976 has 20 divisors (see below), whose sum is σ = 153843700992. Its totient is φ = 39081260736.

The previous prime is 78782860927. The next prime is 78782860987. The reversal of 78782860976 is 67906828787.

It is a happy 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, 19383515 + ... + 19387578.

Almost surely, 2^78782860976 is an apocalyptic number.

It is an amenable number.

78782860976 is a deficient number, since it is larger than the sum of its proper divisors (75060840016).

78782860976 is a wasteful number, since it uses less digits than its factorization.

78782860976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38771228 (or 38771222 counting only the distinct ones).

The product of its (nonzero) digits is 113799168, while the sum is 68.

The spelling of 78782860976 in words is "seventy-eight billion, seven hundred eighty-two million, eight hundred sixty thousand, nine hundred seventy-six".