13895380887 has 4 divisors (see below), whose sum is σ = 18527174520. Its totient is φ = 9263587256.

The previous prime is 13895380871. The next prime is 13895380907. The reversal of 13895380887 is 78808359831.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78808359831 = 3 ⋅26269453277.

It is a cyclic number.

It is not a de Polignac number, because 13895380887 - 2⁴ = 13895380871 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13895380887.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13895380817) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2315896812 + ... + 2315896817.

It is an arithmetic number, because the mean of its divisors is an integer number (4631793630).

Almost surely, 2^13895380887 is an apocalyptic number.

13895380887 is a deficient number, since it is larger than the sum of its proper divisors (4631793633).

13895380887 is an equidigital number, since it uses as much as digits as its factorization.

13895380887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4631793632.

The product of its (nonzero) digits is 11612160, while the sum is 60.

The spelling of 13895380887 in words is "thirteen billion, eight hundred ninety-five million, three hundred eighty thousand, eight hundred eighty-seven".