12872717767 has 16 divisors (see below), whose sum is σ = 16271547712. Its totient is φ = 9909734400.

The previous prime is 12872717761. The next prime is 12872717779. The reversal of 12872717767 is 76771727821.

It is a cyclic number.

It is not a de Polignac number, because 12872717767 - 2⁷ = 12872717639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12872717761) 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, 1908234 + ... + 1914967.

It is an arithmetic number, because the mean of its divisors is an integer number (1016971732).

Almost surely, 2^12872717767 is an apocalyptic number.

12872717767 is a deficient number, since it is larger than the sum of its proper divisors (3398829945).

12872717767 is a wasteful number, since it uses less digits than its factorization.

12872717767 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3823258.

The product of its digits is 3226944, while the sum is 55.

The spelling of 12872717767 in words is "twelve billion, eight hundred seventy-two million, seven hundred seventeen thousand, seven hundred sixty-seven".