12847906277 has 4 divisors (see below), whose sum is σ = 12848152716. Its totient is φ = 12847659840.

The previous prime is 12847906271. The next prime is 12847906303. The reversal of 12847906277 is 77260974821.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 801965761 + 12045940516 = 28319^2 + 109754^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12847906277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12847906271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10874 + ... + 160667.

It is an arithmetic number, because the mean of its divisors is an integer number (3212038179).

Almost surely, 2^12847906277 is an apocalyptic number.

It is an amenable number.

12847906277 is a deficient number, since it is larger than the sum of its proper divisors (246439).

12847906277 is an equidigital number, since it uses as much as digits as its factorization.

12847906277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246438.

The product of its (nonzero) digits is 2370816, while the sum is 53.

The spelling of 12847906277 in words is "twelve billion, eight hundred forty-seven million, nine hundred six thousand, two hundred seventy-seven".