78009280924 has 12 divisors (see below), whose sum is σ = 136609820200. Its totient is φ = 38977903728.

The previous prime is 78009280919. The next prime is 78009280939. The reversal of 78009280924 is 42908290087.

It is a congruent 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, 6677619 + ... + 6689290.

Almost surely, 2^78009280924 is an apocalyptic number.

It is an amenable number.

78009280924 is a deficient number, since it is larger than the sum of its proper divisors (58600539276).

78009280924 is a wasteful number, since it uses less digits than its factorization.

78009280924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13368372 (or 13368370 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 49.

The spelling of 78009280924 in words is "seventy-eight billion, nine million, two hundred eighty thousand, nine hundred twenty-four".