12777314075 has 6 divisors (see below), whose sum is σ = 15843869484. Its totient is φ = 10221851240.

The previous prime is 12777314071. The next prime is 12777314107. The reversal of 12777314075 is 57041377721.

It is not a de Polignac number, because 12777314075 - 2² = 12777314071 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12777314071) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 255546257 + ... + 255546306.

It is an arithmetic number, because the mean of its divisors is an integer number (2640644914).

Almost surely, 2^12777314075 is an apocalyptic number.

12777314075 is a deficient number, since it is larger than the sum of its proper divisors (3066555409).

12777314075 is an equidigital number, since it uses as much as digits as its factorization.

12777314075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511092573 (or 511092568 counting only the distinct ones).

The product of its (nonzero) digits is 288120, while the sum is 44.

The spelling of 12777314075 in words is "twelve billion, seven hundred seventy-seven million, three hundred fourteen thousand, seventy-five".