871061181260827 has 2 divisors, whose sum is σ = 871061181260828. Its totient is φ = 871061181260826.

The previous prime is 871061181260789. The next prime is 871061181260833. The reversal of 871061181260827 is 728062181160178.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 871061181260827 - 2³⁹ = 870511425446939 is a prime.

It is not a weakly prime, because it can be changed into another prime (871061181260227) 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, 435530590630413 + 435530590630414.

It is an arithmetic number, because the mean of its divisors is an integer number (435530590630414).

Almost surely, 2^{871061181260827} is an apocalyptic number.

871061181260827 is a deficient number, since it is larger than the sum of its proper divisors (1).

871061181260827 is an equidigital number, since it uses as much as digits as its factorization.

871061181260827 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3612672, while the sum is 58.

The spelling of 871061181260827 in words is "eight hundred seventy-one trillion, sixty-one billion, one hundred eighty-one million, two hundred sixty thousand, eight hundred twenty-seven".