79520886900 has 432 divisors, whose sum is σ = 316679953408. Its totient is φ = 16236288000.

The previous prime is 79520886899. The next prime is 79520886923. The reversal of 79520886900 is 968802597.

It is a happy number.

It is a super-2 number, since 2×79520886900² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 2523240 + ... + 2554560.

Almost surely, 2^79520886900 is an apocalyptic number.

79520886900 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79520886900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158339976704).

79520886900 is an abundant number, since it is smaller than the sum of its proper divisors (237159066508).

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

79520886900 is a wasteful number, since it uses less digits than its factorization.

79520886900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31392 (or 31382 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 54.

The spelling of 79520886900 in words is "seventy-nine billion, five hundred twenty million, eight hundred eighty-six thousand, nine hundred".