78715935748 has 12 divisors (see below), whose sum is σ = 142502987340. Its totient is φ = 38000796512.

The previous prime is 78715935731. The next prime is 78715935761. The reversal of 78715935748 is 84753951787.

It can be written as a sum of positive squares in 2 ways, for example, as 61381053504 + 17334882244 = 247752^2 + 131662^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 78715935748.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 339292711 + ... + 339292942.

It is an arithmetic number, because the mean of its divisors is an integer number (11875248945).

Almost surely, 2^78715935748 is an apocalyptic number.

It is an amenable number.

78715935748 is a deficient number, since it is larger than the sum of its proper divisors (63787051592).

78715935748 is a wasteful number, since it uses less digits than its factorization.

78715935748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678585686 (or 678585684 counting only the distinct ones).

The product of its digits is 59270400, while the sum is 64.

The spelling of 78715935748 in words is "seventy-eight billion, seven hundred fifteen million, nine hundred thirty-five thousand, seven hundred forty-eight".