13887511390 has 16 divisors (see below), whose sum is σ = 25607216880. Its totient is φ = 5419516480.

The previous prime is 13887511373. The next prime is 13887511397. The reversal of 13887511390 is 9311578831.

It is a self number, because there is not a number n which added to its sum of digits gives 13887511390.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13887511397) 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, 16935580 + ... + 16936399.

It is an arithmetic number, because the mean of its divisors is an integer number (1600451055).

Almost surely, 2^13887511390 is an apocalyptic number.

13887511390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13887511390 is a deficient number, since it is larger than the sum of its proper divisors (11719705490).

13887511390 is a wasteful number, since it uses less digits than its factorization.

13887511390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33872027.

The product of its (nonzero) digits is 181440, while the sum is 46.

The spelling of 13887511390 in words is "thirteen billion, eight hundred eighty-seven million, five hundred eleven thousand, three hundred ninety".