79949504800 has 72 divisors (see below), whose sum is σ = 212920090992. Its totient is φ = 29072544000.

The previous prime is 79949504779. The next prime is 79949504809. The reversal of 79949504800 is 840594997.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is not an unprimeable number, because it can be changed into a prime (79949504809) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4533786 + ... + 4551385.

It is an arithmetic number, because the mean of its divisors is an integer number (2957223486).

Almost surely, 2^79949504800 is an apocalyptic number.

It is an amenable number.

79949504800 is an abundant number, since it is smaller than the sum of its proper divisors (132970586192).

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

79949504800 is a wasteful number, since it uses less digits than its factorization.

79949504800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9085202 (or 9085189 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 55.

The spelling of 79949504800 in words is "seventy-nine billion, nine hundred forty-nine million, five hundred four thousand, eight hundred".