871377265284913 has 2 divisors, whose sum is σ = 871377265284914. Its totient is φ = 871377265284912.

The previous prime is 871377265284727. The next prime is 871377265284943. The reversal of 871377265284913 is 319482562773178.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 694714010775184 + 176663254509729 = 26357428^2 + 13291473^2 .

It is a cyclic number.

It is not a de Polignac number, because 871377265284913 - 2²⁹ = 871376728414001 is a prime.

It is not a weakly prime, because it can be changed into another prime (871377265284943) 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, 435688632642456 + 435688632642457.

It is an arithmetic number, because the mean of its divisors is an integer number (435688632642457).

Almost surely, 2^{871377265284913} is an apocalyptic number.

It is an amenable number.

871377265284913 is a deficient number, since it is larger than the sum of its proper divisors (1).

871377265284913 is an equidigital number, since it uses as much as digits as its factorization.

871377265284913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 853493760, while the sum is 73.

The spelling of 871377265284913 in words is "eight hundred seventy-one trillion, three hundred seventy-seven billion, two hundred sixty-five million, two hundred eighty-four thousand, nine hundred thirteen".