79102211020 has 48 divisors (see below), whose sum is σ = 194475693888. Its totient is φ = 26459274240.

The previous prime is 79102211017. The next prime is 79102211033. The reversal of 79102211020 is 2011220197.

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, 6884697 + ... + 6896176.

It is an arithmetic number, because the mean of its divisors is an integer number (4051576956).

Almost surely, 2^79102211020 is an apocalyptic number.

79102211020 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

79102211020 is an abundant number, since it is smaller than the sum of its proper divisors (115373482868).

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

79102211020 is a wasteful number, since it uses less digits than its factorization.

79102211020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13780930 (or 13780928 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 25.

The spelling of 79102211020 in words is "seventy-nine billion, one hundred two million, two hundred eleven thousand, twenty".