12771886037 has 4 divisors (see below), whose sum is σ = 12772129056. Its totient is φ = 12771643020.

The previous prime is 12771886031. The next prime is 12771886067. The reversal of 12771886037 is 73068817721.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12771886037 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 (12771886031) 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, 6203 + ... + 159944.

It is an arithmetic number, because the mean of its divisors is an integer number (3193032264).

Almost surely, 2^12771886037 is an apocalyptic number.

It is an amenable number.

12771886037 is a deficient number, since it is larger than the sum of its proper divisors (243019).

12771886037 is an equidigital number, since it uses as much as digits as its factorization.

12771886037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243018.

The product of its (nonzero) digits is 790272, while the sum is 50.

The spelling of 12771886037 in words is "twelve billion, seven hundred seventy-one million, eight hundred eighty-six thousand, thirty-seven".