74785872822 has 32 divisors (see below), whose sum is σ = 155558745600. Its totient is φ = 23947848288.

The previous prime is 74785872781. The next prime is 74785872877. The reversal of 74785872822 is 22827858747.

It is a happy number.

It is a congruent number.

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, 2114572 + ... + 2149647.

It is an arithmetic number, because the mean of its divisors is an integer number (4861210800).

Almost surely, 2^74785872822 is an apocalyptic number.

74785872822 is an abundant number, since it is smaller than the sum of its proper divisors (80772872778).

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

74785872822 is a wasteful number, since it uses less digits than its factorization.

74785872822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4264340.

The product of its digits is 28098560, while the sum is 60.

The spelling of 74785872822 in words is "seventy-four billion, seven hundred eighty-five million, eight hundred seventy-two thousand, eight hundred twenty-two".