79125882993 has 10 divisors (see below), whose sum is σ = 118200393234. Its totient is φ = 52750588608.

The previous prime is 79125882919. The next prime is 79125883007. The reversal of 79125882993 is 39928852197.

79125882993 is a `hidden beast` number, since 7 + 91 + 258 + 8 + 299 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 69523450929 + 9602432064 = 263673^2 + 97992^2 .

It is not a de Polignac number, because 79125882993 - 2¹³ = 79125874801 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 79125882993.

It is not an unprimeable number, because it can be changed into a prime (79125882293) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 488431296 + ... + 488431457.

Almost surely, 2^79125882993 is an apocalyptic number.

It is an amenable number.

79125882993 is a deficient number, since it is larger than the sum of its proper divisors (39074510241).

79125882993 is an equidigital number, since it uses as much as digits as its factorization.

79125882993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 976862765 (or 976862756 counting only the distinct ones).

The product of its digits is 19595520, while the sum is 63.

The spelling of 79125882993 in words is "seventy-nine billion, one hundred twenty-five million, eight hundred eighty-two thousand, nine hundred ninety-three".