871034855427127 has 2 divisors, whose sum is σ = 871034855427128. Its totient is φ = 871034855427126.

The previous prime is 871034855427067. The next prime is 871034855427157. The reversal of 871034855427127 is 721724558430178.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-871034855427127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (871034855427157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 435517427713563 + 435517427713564.

It is an arithmetic number, because the mean of its divisors is an integer number (435517427713564).

Almost surely, 2^{871034855427127} is an apocalyptic number.

871034855427127 is a deficient number, since it is larger than the sum of its proper divisors (1).

871034855427127 is an equidigital number, since it uses as much as digits as its factorization.

871034855427127 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 105369600, while the sum is 64.

The spelling of 871034855427127 in words is "eight hundred seventy-one trillion, thirty-four billion, eight hundred fifty-five million, four hundred twenty-seven thousand, one hundred twenty-seven".