13866506885 has 64 divisors (see below), whose sum is σ = 21601617408. Its totient is φ = 8294400000.

The previous prime is 13866506879. The next prime is 13866506903. The reversal of 13866506885 is 58860566831.

It is not a de Polignac number, because 13866506885 - 2¹⁸ = 13866244741 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13866506885.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 955685 + ... + 970085.

It is an arithmetic number, because the mean of its divisors is an integer number (337525272).

Almost surely, 2^13866506885 is an apocalyptic number.

It is an amenable number.

13866506885 is a deficient number, since it is larger than the sum of its proper divisors (7735110523).

13866506885 is a wasteful number, since it uses less digits than its factorization.

13866506885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14526.

The product of its (nonzero) digits is 8294400, while the sum is 56.

The spelling of 13866506885 in words is "thirteen billion, eight hundred sixty-six million, five hundred six thousand, eight hundred eighty-five".