79905237300 has 432 divisors, whose sum is σ = 299269734400. Its totient is φ = 17447788800.

The previous prime is 79905237287. The next prime is 79905237317. The reversal of 79905237300 is 373250997.

79905237300 is a `hidden beast` number, since 7 + 9 + 90 + 523 + 7 + 30 + 0 = 666.

It is a super-2 number, since 2×79905237300² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

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 143 ways as a sum of consecutive naturals, for example, 15426111 + ... + 15431289.

Almost surely, 2^79905237300 is an apocalyptic number.

79905237300 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 79905237300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149634867200).

79905237300 is an abundant number, since it is smaller than the sum of its proper divisors (219364497100).

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

79905237300 is a wasteful number, since it uses less digits than its factorization.

79905237300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5316 (or 5306 counting only the distinct ones).

The product of its (nonzero) digits is 357210, while the sum is 45.

The spelling of 79905237300 in words is "seventy-nine billion, nine hundred five million, two hundred thirty-seven thousand, three hundred".