78875893522 has 32 divisors (see below), whose sum is σ = 126649396224. Its totient is φ = 36773611200.

The previous prime is 78875893519. The next prime is 78875893573. The reversal of 78875893522 is 22539857887.

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, 69372 + ... + 403192.

It is an arithmetic number, because the mean of its divisors is an integer number (3957793632).

Almost surely, 2^78875893522 is an apocalyptic number.

78875893522 is a deficient number, since it is larger than the sum of its proper divisors (47773502702).

78875893522 is a wasteful number, since it uses less digits than its factorization.

78875893522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333994.

The product of its digits is 67737600, while the sum is 64.

The spelling of 78875893522 in words is "seventy-eight billion, eight hundred seventy-five million, eight hundred ninety-three thousand, five hundred twenty-two".