871041663 has 12 divisors (see below), whose sum is σ = 1267777368. Its totient is φ = 576260880.

The previous prime is 871041641. The next prime is 871041749. The reversal of 871041663 is 366140178.

It is not a de Polignac number, because 871041663 - 2⁸ = 871041407 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (871041623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 368220 + ... + 370577.

It is an arithmetic number, because the mean of its divisors is an integer number (105648114).

Almost surely, 2^871041663 is an apocalyptic number.

871041663 is a deficient number, since it is larger than the sum of its proper divisors (396735705).

871041663 is a wasteful number, since it uses less digits than its factorization.

871041663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 738934 (or 738931 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 871041663 is about 29513.4149667571. The cubic root of 871041663 is about 955.0211202990.

The spelling of 871041663 in words is "eight hundred seventy-one million, forty-one thousand, six hundred sixty-three".