79247880100 has 27 divisors (see below), whose sum is σ = 171974008801. Its totient is φ = 31698026000.

The previous prime is 79247880077. The next prime is 79247880133. The reversal of 79247880100 is 108874297.

The square root of 79247880100 is 281510.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 28529236836 + 50718643264 = 168906^2 + 225208^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2801025 + ... + 2829175.

Almost surely, 2^79247880100 is an apocalyptic number.

79247880100 is the 281510-th square number.

It is an amenable number.

79247880100 is an abundant number, since it is smaller than the sum of its proper divisors (92726128701).

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

79247880100 is an frugal number, since it uses more digits than its factorization.

79247880100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56316 (or 28158 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 46.

The spelling of 79247880100 in words is "seventy-nine billion, two hundred forty-seven million, eight hundred eighty thousand, one hundred".