79887200922 has 12 divisors (see below), whose sum is σ = 173088935370. Its totient is φ = 26629066968.

The previous prime is 79887200917. The next prime is 79887200923. The reversal of 79887200922 is 22900278897.

It can be written as a sum of positive squares in only one way, i.e., 77001255081 + 2885945841 = 277491^2 + 53721^2 .

It is not an unprimeable number, because it can be changed into a prime (79887200923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2219088897 + ... + 2219088932.

Almost surely, 2^79887200922 is an apocalyptic number.

79887200922 is an abundant number, since it is smaller than the sum of its proper divisors (93201734448).

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

79887200922 is a wasteful number, since it uses less digits than its factorization.

79887200922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4438177837 (or 4438177834 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 54.

The spelling of 79887200922 in words is "seventy-nine billion, eight hundred eighty-seven million, two hundred thousand, nine hundred twenty-two".