79388488397 has 4 divisors (see below), whose sum is σ = 79442022240. Its totient is φ = 79334954556.

The previous prime is 79388488393. The next prime is 79388488423.

79388488397 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 79388488397 - 2² = 79388488393 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79388488393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26764697 + ... + 26767662.

It is an arithmetic number, because the mean of its divisors is an integer number (19860505560).

Almost surely, 2^79388488397 is an apocalyptic number.

It is an amenable number.

79388488397 is a deficient number, since it is larger than the sum of its proper divisors (53533843).

79388488397 is a wasteful number, since it uses less digits than its factorization.

79388488397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53533842.

The product of its digits is 585252864, while the sum is 74.

The spelling of 79388488397 in words is "seventy-nine billion, three hundred eighty-eight million, four hundred eighty-eight thousand, three hundred ninety-seven".