12859965279 has 18 divisors (see below), whose sum is σ = 21608241720. Its totient is φ = 7348551336.

The previous prime is 12859965277. The next prime is 12859965317. The reversal of 12859965279 is 97256995821.

12859965279 is a `hidden beast` number, since 12 + 8 + 5 + 9 + 96 + 527 + 9 = 666.

It is not a de Polignac number, because 12859965279 - 2¹ = 12859965277 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12859965277) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 14580019 + ... + 14580900.

Almost surely, 2^12859965279 is an apocalyptic number.

12859965279 is a deficient number, since it is larger than the sum of its proper divisors (8748276441).

12859965279 is a wasteful number, since it uses less digits than its factorization.

12859965279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29160939 (or 29160929 counting only the distinct ones).

The product of its digits is 24494400, while the sum is 63.

The spelling of 12859965279 in words is "twelve billion, eight hundred fifty-nine million, nine hundred sixty-five thousand, two hundred seventy-nine".