871426634831 has 2 divisors, whose sum is σ = 871426634832. Its totient is φ = 871426634830.

The previous prime is 871426634801. The next prime is 871426634891. The reversal of 871426634831 is 138436624178.

871426634831 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 871426634831 - 2¹⁰ = 871426633807 is a prime.

It is a super-2 number, since 2×871426634831² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (871426634801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 435713317415 + 435713317416.

It is an arithmetic number, because the mean of its divisors is an integer number (435713317416).

Almost surely, 2^871426634831 is an apocalyptic number.

871426634831 is a deficient number, since it is larger than the sum of its proper divisors (1).

871426634831 is an equidigital number, since it uses as much as digits as its factorization.

871426634831 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4644864, while the sum is 53.

The spelling of 871426634831 in words is "eight hundred seventy-one billion, four hundred twenty-six million, six hundred thirty-four thousand, eight hundred thirty-one".