79929184780 has 12 divisors (see below), whose sum is σ = 167851288080. Its totient is φ = 31971673904.

The previous prime is 79929184763. The next prime is 79929184787. The reversal of 79929184780 is 8748192997.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (79929184787) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1998229600 + ... + 1998229639.

It is an arithmetic number, because the mean of its divisors is an integer number (13987607340).

Almost surely, 2^79929184780 is an apocalyptic number.

It is an amenable number.

79929184780 is an abundant number, since it is smaller than the sum of its proper divisors (87922103300).

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

79929184780 is a wasteful number, since it uses less digits than its factorization.

79929184780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3996459248 (or 3996459246 counting only the distinct ones).

The product of its (nonzero) digits is 18289152, while the sum is 64.

The spelling of 79929184780 in words is "seventy-nine billion, nine hundred twenty-nine million, one hundred eighty-four thousand, seven hundred eighty".