79344644397 has 16 divisors (see below), whose sum is σ = 106046034240. Its totient is φ = 52769987712.

The previous prime is 79344644383. The next prime is 79344644411.

79344644397 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (79344644383) and next prime (79344644411).

It is not a de Polignac number, because 79344644397 - 2¹² = 79344640301 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 79344644397.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79344644297) 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 15 ways as a sum of consecutive naturals, for example, 2275698 + ... + 2310300.

It is an arithmetic number, because the mean of its divisors is an integer number (6627877140).

Almost surely, 2^79344644397 is an apocalyptic number.

It is an amenable number.

79344644397 is a deficient number, since it is larger than the sum of its proper divisors (26701389843).

79344644397 is a wasteful number, since it uses less digits than its factorization.

79344644397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36412.

The product of its digits is 54867456, while the sum is 60.

The spelling of 79344644397 in words is "seventy-nine billion, three hundred forty-four million, six hundred forty-four thousand, three hundred ninety-seven".