79307802432 has 280 divisors, whose sum is σ = 245117172960. Its totient is φ = 25323217920.

The previous prime is 79307802373. The next prime is 79307802437. The reversal of 79307802432 is 23420870397.

It is a super-2 number, since 2×79307802432² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79307802437) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 19692003 + ... + 19696029.

Almost surely, 2^79307802432 is an apocalyptic number.

79307802432 is a gapful number since it is divisible by the number (72) 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 79307802432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122558586480).

79307802432 is an abundant number, since it is smaller than the sum of its proper divisors (165809370528).

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

79307802432 is a wasteful number, since it uses less digits than its factorization.

79307802432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4211 (or 4192 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 45.

The spelling of 79307802432 in words is "seventy-nine billion, three hundred seven million, eight hundred two thousand, four hundred thirty-two".