13887525288779 has 16 divisors (see below), whose sum is σ = 14056281624000. Its totient is φ = 13719605630976.

The previous prime is 13887525288773. The next prime is 13887525288809. The reversal of 13887525288779 is 97788252578831.

It is a cyclic number.

It is not a de Polignac number, because 13887525288779 - 2⁸ = 13887525288523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13887525288773) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98640467 + ... + 98781155.

It is an arithmetic number, because the mean of its divisors is an integer number (878517601500).

Almost surely, 2^{13887525288779} is an apocalyptic number.

13887525288779 is a deficient number, since it is larger than the sum of its proper divisors (168756335221).

13887525288779 is a wasteful number, since it uses less digits than its factorization.

13887525288779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143654.

The product of its digits is 3793305600, while the sum is 80.

The spelling of 13887525288779 in words is "thirteen trillion, eight hundred eighty-seven billion, five hundred twenty-five million, two hundred eighty-eight thousand, seven hundred seventy-nine".