12871928481887 has 2 divisors, whose sum is σ = 12871928481888. Its totient is φ = 12871928481886.

The previous prime is 12871928481859. The next prime is 12871928481941. The reversal of 12871928481887 is 78818482917821.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12871928481887 - 2⁶ = 12871928481823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12871928481817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6435964240943 + 6435964240944.

It is an arithmetic number, because the mean of its divisors is an integer number (6435964240944).

Almost surely, 2^{12871928481887} is an apocalyptic number.

12871928481887 is a deficient number, since it is larger than the sum of its proper divisors (1).

12871928481887 is an equidigital number, since it uses as much as digits as its factorization.

12871928481887 is an evil number, because the sum of its binary digits is even.

The product of its digits is 231211008, while the sum is 74.

The spelling of 12871928481887 in words is "twelve trillion, eight hundred seventy-one billion, nine hundred twenty-eight million, four hundred eighty-one thousand, eight hundred eighty-seven".