12777513875 has 32 divisors (see below), whose sum is σ = 18237972480. Its totient is φ = 8755192800.

The previous prime is 12777513857. The next prime is 12777513887. The reversal of 12777513875 is 57831577721.

It is not a de Polignac number, because 12777513875 - 2²² = 12773319571 is a prime.

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1366466 + ... + 1375784.

It is an arithmetic number, because the mean of its divisors is an integer number (569936640).

Almost surely, 2^12777513875 is an apocalyptic number.

12777513875 is a deficient number, since it is larger than the sum of its proper divisors (5460458605).

12777513875 is an equidigital number, since it uses as much as digits as its factorization.

12777513875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10908 (or 10898 counting only the distinct ones).

The product of its digits is 2881200, while the sum is 53.

The spelling of 12777513875 in words is "twelve billion, seven hundred seventy-seven million, five hundred thirteen thousand, eight hundred seventy-five".