79609597 has 2 divisors, whose sum is σ = 79609598. Its totient is φ = 79609596.

The previous prime is 79609591. The next prime is 79609633. The reversal of 79609597 is 79590697.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67141636 + 12467961 = 8194^2 + 3531^2 .

It is a cyclic number.

It is not a de Polignac number, because 79609597 - 2¹⁵ = 79576829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79609591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39804798 + 39804799.

It is an arithmetic number, because the mean of its divisors is an integer number (39804799).

Almost surely, 2^79609597 is an apocalyptic number.

It is an amenable number.

79609597 is a deficient number, since it is larger than the sum of its proper divisors (1).

79609597 is an equidigital number, since it uses as much as digits as its factorization.

79609597 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1071630, while the sum is 52.

The square root of 79609597 is about 8922.4210279498. The cubic root of 79609597 is about 430.1848799364.

The spelling of 79609597 in words is "seventy-nine million, six hundred nine thousand, five hundred ninety-seven".