13886643287 has 12 divisors (see below), whose sum is σ = 15421203168. Its totient is φ = 12494064000.

The previous prime is 13886643263. The next prime is 13886643293. The reversal of 13886643287 is 78234668831.

It is not a de Polignac number, because 13886643287 - 2²⁰ = 13885594711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13886643227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 579839 + ... + 603312.

It is an arithmetic number, because the mean of its divisors is an integer number (1285100264).

Almost surely, 2^13886643287 is an apocalyptic number.

13886643287 is a deficient number, since it is larger than the sum of its proper divisors (1534559881).

13886643287 is a wasteful number, since it uses less digits than its factorization.

13886643287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1183270 (or 1183259 counting only the distinct ones).

The product of its digits is 9289728, while the sum is 56.

The spelling of 13886643287 in words is "thirteen billion, eight hundred eighty-six million, six hundred forty-three thousand, two hundred eighty-seven".