13873928887 has 64 divisors (see below), whose sum is σ = 18187079680. Its totient is φ = 10291567104.

The previous prime is 13873928857. The next prime is 13873928891. The reversal of 13873928887 is 78882937831.

It is not a de Polignac number, because 13873928887 - 2¹¹ = 13873926839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13873928857) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11437093 + ... + 11438305.

It is an arithmetic number, because the mean of its divisors is an integer number (284173120).

Almost surely, 2^13873928887 is an apocalyptic number.

13873928887 is a deficient number, since it is larger than the sum of its proper divisors (4313150793).

13873928887 is a wasteful number, since it uses less digits than its factorization.

13873928887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1392.

The product of its digits is 32514048, while the sum is 64.

The spelling of 13873928887 in words is "thirteen billion, eight hundred seventy-three million, nine hundred twenty-eight thousand, eight hundred eighty-seven".