79897375 has 16 divisors (see below), whose sum is σ = 104963040. Its totient is φ = 60552000.

The previous prime is 79897357. The next prime is 79897379. The reversal of 79897375 is 57379897.

It is not a de Polignac number, because 79897375 - 2¹⁵ = 79864607 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79897379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14446 + ... + 19195.

It is an arithmetic number, because the mean of its divisors is an integer number (6560190).

Almost surely, 2^79897375 is an apocalyptic number.

79897375 is a deficient number, since it is larger than the sum of its proper divisors (25065665).

79897375 is a wasteful number, since it uses less digits than its factorization.

79897375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33675 (or 33665 counting only the distinct ones).

The product of its digits is 3333960, while the sum is 55.

The square root of 79897375 is about 8938.5331570678. The cubic root of 79897375 is about 430.7026101145.

The spelling of 79897375 in words is "seventy-nine million, eight hundred ninety-seven thousand, three hundred seventy-five".