13000879255 has 64 divisors (see below), whose sum is σ = 19944126720. Its totient is φ = 7915843584.

The previous prime is 13000879207. The next prime is 13000879259. The reversal of 13000879255 is 55297800031.

It is a cyclic number.

It is not a de Polignac number, because 13000879255 - 2⁷ = 13000879127 is a prime.

It is a super-2 number, since 2×13000879255² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13000879259) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1493977 + ... + 1502653.

It is an arithmetic number, because the mean of its divisors is an integer number (311626980).

Almost surely, 2^13000879255 is an apocalyptic number.

13000879255 is a deficient number, since it is larger than the sum of its proper divisors (6943247465).

13000879255 is a wasteful number, since it uses less digits than its factorization.

13000879255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8828.

The product of its (nonzero) digits is 75600, while the sum is 40.

The spelling of 13000879255 in words is "thirteen billion, eight hundred seventy-nine thousand, two hundred fifty-five".