79238497 has 16 divisors (see below), whose sum is σ = 88118352. Its totient is φ = 70778880.

The previous prime is 79238477. The next prime is 79238521. The reversal of 79238497 is 79483297.

It can be written as a sum of positive squares in 8 ways, for example, as 25010001 + 54228496 = 5001^2 + 7364^2 .

It is a cyclic number.

It is not a de Polignac number, because 79238497 - 2¹⁵ = 79205729 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 79238497.

It is not an unprimeable number, because it can be changed into a prime (79238447) 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, 123297 + ... + 123937.

It is an arithmetic number, because the mean of its divisors is an integer number (5507397).

Almost surely, 2^79238497 is an apocalyptic number.

It is an amenable number.

79238497 is a deficient number, since it is larger than the sum of its proper divisors (8879855).

79238497 is a wasteful number, since it uses less digits than its factorization.

79238497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 948.

The product of its digits is 762048, while the sum is 49.

The square root of 79238497 is about 8901.6008110901. The cubic root of 79238497 is about 429.5154032412.

The spelling of 79238497 in words is "seventy-nine million, two hundred thirty-eight thousand, four hundred ninety-seven".