79244971200 has 126 divisors (see below), whose sum is σ = 281655389444. Its totient is φ = 21131988480.

The previous prime is 79244971171. The next prime is 79244971207. The reversal of 79244971200 is 217944297.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (79244971207) by changing a digit.

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 17 ways as a sum of consecutive naturals, for example, 2737162 + ... + 2765961.

Almost surely, 2^79244971200 is an apocalyptic number.

It is an amenable number.

79244971200 is an abundant number, since it is smaller than the sum of its proper divisors (202410418244).

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

79244971200 is a wasteful number, since it uses less digits than its factorization.

79244971200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5503151 (or 5503133 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The spelling of 79244971200 in words is "seventy-nine billion, two hundred forty-four million, nine hundred seventy-one thousand, two hundred".