79158243204 has 36 divisors (see below), whose sum is σ = 208794208896. Its totient is φ = 25238859888.

The previous prime is 79158243179. The next prime is 79158243209. The reversal of 79158243204 is 40234285197.

79158243204 is a `hidden beast` number, since 7 + 9 + 1 + 582 + 43 + 20 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×79158243204² (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 79158243204.

It is not an unprimeable number, because it can be changed into a prime (79158243209) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 47800044 + ... + 47801699.

It is an arithmetic number, because the mean of its divisors is an integer number (5799839136).

Almost surely, 2^79158243204 is an apocalyptic number.

It is an amenable number.

79158243204 is an abundant number, since it is smaller than the sum of its proper divisors (129635965692).

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

79158243204 is a wasteful number, since it uses less digits than its factorization.

79158243204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95601776 (or 95601771 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 79158243204 in words is "seventy-nine billion, one hundred fifty-eight million, two hundred forty-three thousand, two hundred four".