78975983152 has 20 divisors (see below), whose sum is σ = 166926510216. Its totient is φ = 35898174080.

The previous prime is 78975983111. The next prime is 78975983179. The reversal of 78975983152 is 25138957987.

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, 224363413 + ... + 224363764.

Almost surely, 2^78975983152 is an apocalyptic number.

It is an amenable number.

78975983152 is an abundant number, since it is smaller than the sum of its proper divisors (87950527064).

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

78975983152 is a wasteful number, since it uses less digits than its factorization.

78975983152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448727196 (or 448727190 counting only the distinct ones).

The product of its digits is 38102400, while the sum is 64.

The spelling of 78975983152 in words is "seventy-eight billion, nine hundred seventy-five million, nine hundred eighty-three thousand, one hundred fifty-two".