52822766673978 has 16 divisors (see below), whose sum is σ = 120737752397760. Its totient is φ = 15092219049696.

The previous prime is 52822766673949. The next prime is 52822766673991. The reversal of 52822766673978 is 87937666722825.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 628842460363 + ... + 628842460446.

It is an arithmetic number, because the mean of its divisors is an integer number (7546109524860).

Almost surely, 2^{52822766673978} is an apocalyptic number.

52822766673978 is an abundant number, since it is smaller than the sum of its proper divisors (67914985723782).

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

52822766673978 is a wasteful number, since it uses less digits than its factorization.

52822766673978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1257684920821.

The product of its digits is 5120962560, while the sum is 78.

The spelling of 52822766673978 in words is "fifty-two trillion, eight hundred twenty-two billion, seven hundred sixty-six million, six hundred seventy-three thousand, nine hundred seventy-eight".