79659523 has 2 divisors, whose sum is σ = 79659524. Its totient is φ = 79659522.

The previous prime is 79659509. The next prime is 79659563. The reversal of 79659523 is 32595697.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 79659523 - 2¹⁷ = 79528451 is a prime.

It is not a weakly prime, because it can be changed into another prime (79659563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39829761 + 39829762.

It is an arithmetic number, because the mean of its divisors is an integer number (39829762).

Almost surely, 2^79659523 is an apocalyptic number.

79659523 is a deficient number, since it is larger than the sum of its proper divisors (1).

79659523 is an equidigital number, since it uses as much as digits as its factorization.

79659523 is an evil number, because the sum of its binary digits is even.

The product of its digits is 510300, while the sum is 46.

The square root of 79659523 is about 8925.2183726786. The cubic root of 79659523 is about 430.2747892059.

The spelling of 79659523 in words is "seventy-nine million, six hundred fifty-nine thousand, five hundred twenty-three".