13875277764 has 12 divisors (see below), whose sum is σ = 32375648144. Its totient is φ = 4625092584.

The previous prime is 13875277739. The next prime is 13875277771. The reversal of 13875277764 is 46777257831.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 578136562 + ... + 578136585.

Almost surely, 2^13875277764 is an apocalyptic number.

It is an amenable number.

13875277764 is an abundant number, since it is smaller than the sum of its proper divisors (18500370380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13875277764 is a wasteful number, since it uses less digits than its factorization.

13875277764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1156273154 (or 1156273152 counting only the distinct ones).

The product of its digits is 13829760, while the sum is 57.

The spelling of 13875277764 in words is "thirteen billion, eight hundred seventy-five million, two hundred seventy-seven thousand, seven hundred sixty-four".