12943127887 has 2 divisors, whose sum is σ = 12943127888. Its totient is φ = 12943127886.

The previous prime is 12943127863. The next prime is 12943127909. The reversal of 12943127887 is 78872134921.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12943127887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12943122887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6471563943 + 6471563944.

It is an arithmetic number, because the mean of its divisors is an integer number (6471563944).

Almost surely, 2^12943127887 is an apocalyptic number.

12943127887 is a deficient number, since it is larger than the sum of its proper divisors (1).

12943127887 is an equidigital number, since it uses as much as digits as its factorization.

12943127887 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1354752, while the sum is 52.

The spelling of 12943127887 in words is "twelve billion, nine hundred forty-three million, one hundred twenty-seven thousand, eight hundred eighty-seven".