79579 has 2 divisors, whose sum is σ = 79580. Its totient is φ = 79578.

The previous prime is 79561. The next prime is 79589. The reversal of 79579 is 97597.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 79579 - 2⁷ = 79451 is a prime.

It is a plaindrome in base 8.

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

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39789 + 39790.

It is an arithmetic number, because the mean of its divisors is an integer number (39790).

2⁷⁹⁵⁷⁹ is an apocalyptic number.

79579 is a deficient number, since it is larger than the sum of its proper divisors (1).

79579 is an equidigital number, since it uses as much as digits as its factorization.

79579 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19845, while the sum is 37.

The square root of 79579 is about 282.0975008751. The cubic root of 79579 is about 43.0129760730.

The spelling of 79579 in words is "seventy-nine thousand, five hundred seventy-nine".