79565210659 has 16 divisors (see below), whose sum is σ = 87804142560. Its totient is φ = 71494466560.

The previous prime is 79565210639. The next prime is 79565210677. The reversal of 79565210659 is 95601256597.

It is not a de Polignac number, because 79565210659 - 2¹⁵ = 79565177891 is a prime.

It is a super-2 number, since 2×79565210659² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79565210639) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3176127 + ... + 3201079.

It is an arithmetic number, because the mean of its divisors is an integer number (5487758910).

Almost surely, 2^79565210659 is an apocalyptic number.

79565210659 is a deficient number, since it is larger than the sum of its proper divisors (8238931901).

79565210659 is a wasteful number, since it uses less digits than its factorization.

79565210659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28310.

The product of its (nonzero) digits is 5103000, while the sum is 55.

The spelling of 79565210659 in words is "seventy-nine billion, five hundred sixty-five million, two hundred ten thousand, six hundred fifty-nine".