79388397 has 16 divisors (see below), whose sum is σ = 128304960. Its totient is φ = 48114000.

The previous prime is 79388369. The next prime is 79388411.

79388397 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 79388397 - 2⁷ = 79388269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79388597) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133354 + ... + 133947.

It is an arithmetic number, because the mean of its divisors is an integer number (8019060).

Almost surely, 2^79388397 is an apocalyptic number.

It is an amenable number.

79388397 is a deficient number, since it is larger than the sum of its proper divisors (48916563).

79388397 is a wasteful number, since it uses less digits than its factorization.

79388397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267321 (or 267315 counting only the distinct ones).

The product of its digits is 2286144, while the sum is 54.

The square root of 79388397 is about 8910.0166666511. The cubic root of 79388397 is about 429.7860789193.

The spelling of 79388397 in words is "seventy-nine million, three hundred eighty-eight thousand, three hundred ninety-seven".