13388868087 has 8 divisors (see below), whose sum is σ = 20402084736. Its totient is φ = 7650781752.

The previous prime is 13388868047. The next prime is 13388868127. The reversal of 13388868087 is 78086888331.

It is an interprime number because it is at equal distance from previous prime (13388868047) and next prime (13388868127).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13388868087 - 2³¹ = 11241384439 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13388868087.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13388868047) 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, 318782553 + ... + 318782594.

It is an arithmetic number, because the mean of its divisors is an integer number (2550260592).

Almost surely, 2^13388868087 is an apocalyptic number.

13388868087 is a deficient number, since it is larger than the sum of its proper divisors (7013216649).

13388868087 is an equidigital number, since it uses as much as digits as its factorization.

13388868087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637565157.

The product of its (nonzero) digits is 12386304, while the sum is 60.

The spelling of 13388868087 in words is "thirteen billion, three hundred eighty-eight million, eight hundred sixty-eight thousand, eighty-seven".