13867645775 has 24 divisors (see below), whose sum is σ = 17290827840. Its totient is φ = 11033043840.

The previous prime is 13867645763. The next prime is 13867645787. The reversal of 13867645775 is 57754676831.

It is an interprime number because it is at equal distance from previous prime (13867645763) and next prime (13867645787).

It is not a de Polignac number, because 13867645775 - 2¹⁶ = 13867580239 is a prime.

It is a Smith number, since the sum of its digits (59) coincides with the sum of the digits of its prime factors.

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, 3625514 + ... + 3629336.

It is an arithmetic number, because the mean of its divisors is an integer number (720451160).

Almost surely, 2^13867645775 is an apocalyptic number.

13867645775 is a deficient number, since it is larger than the sum of its proper divisors (3423182065).

13867645775 is a wasteful number, since it uses less digits than its factorization.

13867645775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4595 (or 4590 counting only the distinct ones).

The product of its digits is 29635200, while the sum is 59.

The spelling of 13867645775 in words is "thirteen billion, eight hundred sixty-seven million, six hundred forty-five thousand, seven hundred seventy-five".