78957174912 has 256 divisors, whose sum is σ = 264640158720. Its totient is φ = 20260638720.

The previous prime is 78957174853. The next prime is 78957174929. The reversal of 78957174912 is 21947175987.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2438058 + ... + 2470230.

It is an arithmetic number, because the mean of its divisors is an integer number (1033750620).

Almost surely, 2^78957174912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78957174912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132320079360).

78957174912 is an abundant number, since it is smaller than the sum of its proper divisors (185682983808).

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

78957174912 is a wasteful number, since it uses less digits than its factorization.

78957174912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32291 (or 32279 counting only the distinct ones).

The product of its digits is 8890560, while the sum is 60.

The spelling of 78957174912 in words is "seventy-eight billion, nine hundred fifty-seven million, one hundred seventy-four thousand, nine hundred twelve".