78907724130 has 32 divisors (see below), whose sum is σ = 189473989824. Its totient is φ = 21031454016.

The previous prime is 78907724113. The next prime is 78907724149. The reversal of 78907724130 is 3142770987.

It is a self number, because there is not a number n which added to its sum of digits gives 78907724130.

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, 602257 + ... + 721476.

It is an arithmetic number, because the mean of its divisors is an integer number (5921062182).

Almost surely, 2^78907724130 is an apocalyptic number.

78907724130 is an abundant number, since it is smaller than the sum of its proper divisors (110566265694).

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

78907724130 is a wasteful number, since it uses less digits than its factorization.

78907724130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1325730.

The product of its (nonzero) digits is 592704, while the sum is 48.

The spelling of 78907724130 in words is "seventy-eight billion, nine hundred seven million, seven hundred twenty-four thousand, one hundred thirty".