78805970496 has 140 divisors (see below), whose sum is σ = 254842639920. Its totient is φ = 23880579840.

The previous prime is 78805970471. The next prime is 78805970501. The reversal of 78805970496 is 69407950887.

78805970496 is a `hidden beast` number, since 78 + 8 + 0 + 5 + 9 + 70 + 496 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 633966 + ... + 748013.

Almost surely, 2^78805970496 is an apocalyptic number.

It is an amenable number.

78805970496 is an abundant number, since it is smaller than the sum of its proper divisors (176036669424).

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

78805970496 is a wasteful number, since it uses less digits than its factorization.

78805970496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1382014 (or 1381995 counting only the distinct ones).

The product of its (nonzero) digits is 30481920, while the sum is 63.

The spelling of 78805970496 in words is "seventy-eight billion, eight hundred five million, nine hundred seventy thousand, four hundred ninety-six".