659379879 has 16 divisors (see below), whose sum is σ = 978467040. Its totient is φ = 438863040.

The previous prime is 659379859. The next prime is 659379887. The reversal of 659379879 is 978973956.

It is not a de Polignac number, because 659379879 - 2²⁴ = 642602663 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (659379829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3132 + ... + 36449.

It is an arithmetic number, because the mean of its divisors is an integer number (61154190).

Almost surely, 2^659379879 is an apocalyptic number.

659379879 is a deficient number, since it is larger than the sum of its proper divisors (319087161).

659379879 is a wasteful number, since it uses less digits than its factorization.

659379879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40207 (or 40201 counting only the distinct ones).

The product of its digits is 25719120, while the sum is 63.

The square root of 659379879 is about 25678.3932324435. The cubic root of 659379879 is about 870.3859999397.

The spelling of 659379879 in words is "six hundred fifty-nine million, three hundred seventy-nine thousand, eight hundred seventy-nine".