79323813717 has 32 divisors (see below), whose sum is σ = 107654012928. Its totient is φ = 51946249536.

The previous prime is 79323813691. The next prime is 79323813719. The reversal of 79323813717 is 71731832397.

It is not a de Polignac number, because 79323813717 - 2¹⁹ = 79323289429 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 79323813717.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79323813719) 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 31 ways as a sum of consecutive naturals, for example, 50620668 + ... + 50622234.

It is an arithmetic number, because the mean of its divisors is an integer number (3364187904).

Almost surely, 2^79323813717 is an apocalyptic number.

It is an amenable number.

79323813717 is a deficient number, since it is larger than the sum of its proper divisors (28330199211).

79323813717 is a wasteful number, since it uses less digits than its factorization.

79323813717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2689.

The product of its digits is 1333584, while the sum is 51.

The spelling of 79323813717 in words is "seventy-nine billion, three hundred twenty-three million, eight hundred thirteen thousand, seven hundred seventeen".