79091119220 has 24 divisors (see below), whose sum is σ = 166140908808. Its totient is φ = 31627008000.

The previous prime is 79091119201. The next prime is 79091119241. The reversal of 79091119220 is 2291119097.

It can be written as a sum of positive squares in 4 ways, for example, as 36920853904 + 42170265316 = 192148^2 + 205354^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 521081 + ... + 655520.

It is an arithmetic number, because the mean of its divisors is an integer number (6922537867).

Almost surely, 2^79091119220 is an apocalyptic number.

It is an amenable number.

79091119220 is an abundant number, since it is smaller than the sum of its proper divisors (87049789588).

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

79091119220 is a wasteful number, since it uses less digits than its factorization.

79091119220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1179971 (or 1179969 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 41.

The spelling of 79091119220 in words is "seventy-nine billion, ninety-one million, one hundred nineteen thousand, two hundred twenty".