13867086520 has 32 divisors (see below), whose sum is σ = 35658223200. Its totient is φ = 4754429568.

The previous prime is 13867086517. The next prime is 13867086523. The reversal of 13867086520 is 2568076831.

It is an interprime number because it is at equal distance from previous prime (13867086517) and next prime (13867086523).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13867086523) 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, 24762375 + ... + 24762934.

It is an arithmetic number, because the mean of its divisors is an integer number (1114319475).

Almost surely, 2^13867086520 is an apocalyptic number.

13867086520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13867086520 is an abundant number, since it is smaller than the sum of its proper divisors (21791136680).

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

13867086520 is a wasteful number, since it uses less digits than its factorization.

13867086520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49525327 (or 49525323 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 46.

The spelling of 13867086520 in words is "thirteen billion, eight hundred sixty-seven million, eighty-six thousand, five hundred twenty".