871085777202811 has 2 divisors, whose sum is σ = 871085777202812. Its totient is φ = 871085777202810.

The previous prime is 871085777202731. The next prime is 871085777202833. The reversal of 871085777202811 is 118202777580178.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 871085777202811 - 2²³ = 871085768814203 is a prime.

It is not a weakly prime, because it can be changed into another prime (871085777200811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 435542888601405 + 435542888601406.

It is an arithmetic number, because the mean of its divisors is an integer number (435542888601406).

Almost surely, 2^{871085777202811} is an apocalyptic number.

871085777202811 is a deficient number, since it is larger than the sum of its proper divisors (1).

871085777202811 is an equidigital number, since it uses as much as digits as its factorization.

871085777202811 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24586240, while the sum is 64.

The spelling of 871085777202811 in words is "eight hundred seventy-one trillion, eighty-five billion, seven hundred seventy-seven million, two hundred two thousand, eight hundred eleven".