13187258768 has 40 divisors (see below), whose sum is σ = 27189331200. Its totient is φ = 6174558720.

The previous prime is 13187258767. The next prime is 13187258839. The reversal of 13187258768 is 86785278131.

It is not an unprimeable number, because it can be changed into a prime (13187258761) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67688 + ... + 175943.

It is an arithmetic number, because the mean of its divisors is an integer number (679733280).

Almost surely, 2^13187258768 is an apocalyptic number.

It is an amenable number.

13187258768 is an abundant number, since it is smaller than the sum of its proper divisors (14002072432).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13187258768 is a wasteful number, since it uses less digits than its factorization.

13187258768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243855 (or 243849 counting only the distinct ones).

The product of its digits is 4515840, while the sum is 56.

The spelling of 13187258768 in words is "thirteen billion, one hundred eighty-seven million, two hundred fifty-eight thousand, seven hundred sixty-eight".