79606917 has 12 divisors (see below), whose sum is σ = 123833164. Its totient is φ = 48988800.

The previous prime is 79606913. The next prime is 79606927. The reversal of 79606917 is 71960697.

It can be written as a sum of positive squares in 2 ways, for example, as 35928036 + 43678881 = 5994^2 + 6609^2 .

It is not a de Polignac number, because 79606917 - 2² = 79606913 is a prime.

It is a super-2 number, since 2×79606917² = 12674522468489778, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79606913) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 340084 + ... + 340317.

Almost surely, 2^79606917 is an apocalyptic number.

It is an amenable number.

79606917 is a deficient number, since it is larger than the sum of its proper divisors (44226247).

79606917 is a wasteful number, since it uses less digits than its factorization.

79606917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680420 (or 680417 counting only the distinct ones).

The product of its (nonzero) digits is 142884, while the sum is 45.

The square root of 79606917 is about 8922.2708432327. The cubic root of 79606917 is about 430.1800525937.

The spelling of 79606917 in words is "seventy-nine million, six hundred six thousand, nine hundred seventeen".