79589 has 2 divisors, whose sum is σ = 79590. Its totient is φ = 79588.

The previous prime is 79579. The next prime is 79601. The reversal of 79589 is 98597.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 58564 + 21025 = 242^2 + 145^2 .

It is an emirp because it is prime and its reverse (98597) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 79589 - 2⁸ = 79333 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a plaindrome in base 8 and base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39794 + 39795.

It is an arithmetic number, because the mean of its divisors is an integer number (39795).

2⁷⁹⁵⁸⁹ is an apocalyptic number.

It is an amenable number.

79589 is a deficient number, since it is larger than the sum of its proper divisors (1).

79589 is an equidigital number, since it uses as much as digits as its factorization.

79589 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22680, while the sum is 38.

The square root of 79589 is about 282.1152246867. The cubic root of 79589 is about 43.0147776863.

The spelling of 79589 in words is "seventy-nine thousand, five hundred eighty-nine".