52972118713878 has 48 divisors (see below), whose sum is σ = 132721352391600. Its totient is φ = 13970668670784.

The previous prime is 52972118713861. The next prime is 52972118713903. The reversal of 52972118713878 is 87831781127925.

It is a super-2 number, since 2×52972118713878² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6929891353 + ... + 6929898996.

It is an arithmetic number, because the mean of its divisors is an integer number (2765028174825).

Almost surely, 2^{52972118713878} is an apocalyptic number.

52972118713878 is an abundant number, since it is smaller than the sum of its proper divisors (79749233677722).

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

52972118713878 is a wasteful number, since it uses less digits than its factorization.

52972118713878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13859790381 (or 13859790374 counting only the distinct ones).

The product of its digits is 94832640, while the sum is 69.

The spelling of 52972118713878 in words is "fifty-two trillion, nine hundred seventy-two billion, one hundred eighteen million, seven hundred thirteen thousand, eight hundred seventy-eight".