79616597 has 4 divisors (see below), whose sum is σ = 79888620. Its totient is φ = 79344576.

The previous prime is 79616567. The next prime is 79616617. The reversal of 79616597 is 79561697.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 79561697 = 547 ⋅145451.

It can be written as a sum of positive squares in 2 ways, for example, as 32364721 + 47251876 = 5689^2 + 6874^2 .

It is a cyclic number.

It is not a de Polignac number, because 79616597 - 2¹⁶ = 79551061 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 (79616527) 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, 135572 + ... + 136157.

It is an arithmetic number, because the mean of its divisors is an integer number (19972155).

Almost surely, 2^79616597 is an apocalyptic number.

It is an amenable number.

79616597 is a deficient number, since it is larger than the sum of its proper divisors (272023).

79616597 is a wasteful number, since it uses less digits than its factorization.

79616597 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272022.

The product of its digits is 714420, while the sum is 50.

The square root of 79616597 is about 8922.8132895405. The cubic root of 79616597 is about 430.1974881562.

The spelling of 79616597 in words is "seventy-nine million, six hundred sixteen thousand, five hundred ninety-seven".