79377397 has 16 divisors (see below), whose sum is σ = 88070400. Its totient is φ = 70943040.

The previous prime is 79377367. The next prime is 79377401.

It is a happy number.

79377397 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 79377397 - 2¹⁹ = 78853109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79377367) 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 15 ways as a sum of consecutive naturals, for example, 286423 + ... + 286699.

It is an arithmetic number, because the mean of its divisors is an integer number (5504400).

Almost surely, 2^79377397 is an apocalyptic number.

It is an amenable number.

79377397 is a deficient number, since it is larger than the sum of its proper divisors (8693003).

79377397 is a wasteful number, since it uses less digits than its factorization.

79377397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636.

The product of its digits is 1750329, while the sum is 52.

The square root of 79377397 is about 8909.3993624711. The cubic root of 79377397 is about 429.7662277176.

The spelling of 79377397 in words is "seventy-nine million, three hundred seventy-seven thousand, three hundred ninety-seven".