78744008608 has 24 divisors (see below), whose sum is σ = 155044870848. Its totient is φ = 39367533504.

The previous prime is 78744008597. The next prime is 78744008669. The reversal of 78744008608 is 80680044787.

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, 156135 + ... + 426457.

It is an arithmetic number, because the mean of its divisors is an integer number (6460202952).

Almost surely, 2^78744008608 is an apocalyptic number.

It is an amenable number.

78744008608 is a deficient number, since it is larger than the sum of its proper divisors (76300862240).

78744008608 is a wasteful number, since it uses less digits than its factorization.

78744008608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279436 (or 279428 counting only the distinct ones).

The product of its (nonzero) digits is 2408448, while the sum is 52.

The spelling of 78744008608 in words is "seventy-eight billion, seven hundred forty-four million, eight thousand, six hundred eight".