13872872405 has 24 divisors (see below), whose sum is σ = 19377008640. Its totient is φ = 9507123360.

The previous prime is 13872872393. The next prime is 13872872443. The reversal of 13872872405 is 50427827831.

It is not a de Polignac number, because 13872872405 - 2⁸ = 13872872149 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13872872405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 414860 + ... + 447050.

It is an arithmetic number, because the mean of its divisors is an integer number (807375360).

Almost surely, 2^13872872405 is an apocalyptic number.

It is an amenable number.

13872872405 is a deficient number, since it is larger than the sum of its proper divisors (5504136235).

13872872405 is a wasteful number, since it uses less digits than its factorization.

13872872405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33969 (or 33962 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 47.

The spelling of 13872872405 in words is "thirteen billion, eight hundred seventy-two million, eight hundred seventy-two thousand, four hundred five".