79542974412 has 72 divisors (see below), whose sum is σ = 220659409152. Its totient is φ = 23959576800.

The previous prime is 79542974411. The next prime is 79542974437. The reversal of 79542974412 is 21447924597.

79542974412 is a `hidden beast` number, since 7 + 9 + 542 + 97 + 4 + 4 + 1 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (79542974411) 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 23 ways as a sum of consecutive naturals, for example, 535264 + ... + 667527.

It is an arithmetic number, because the mean of its divisors is an integer number (3064714016).

Almost surely, 2^79542974412 is an apocalyptic number.

It is an amenable number.

79542974412 is an abundant number, since it is smaller than the sum of its proper divisors (141116434740).

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

79542974412 is a wasteful number, since it uses less digits than its factorization.

79542974412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1202979 (or 1202974 counting only the distinct ones).

The product of its digits is 5080320, while the sum is 54.

The spelling of 79542974412 in words is "seventy-nine billion, five hundred forty-two million, nine hundred seventy-four thousand, four hundred twelve".