871846863 has 16 divisors (see below), whose sum is σ = 1224451200. Its totient is φ = 550277280.

The previous prime is 871846861. The next prime is 871846891. The reversal of 871846863 is 368648178.

It is not a de Polignac number, because 871846863 - 2¹ = 871846861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (871846861) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101968 + ... + 110186.

It is an arithmetic number, because the mean of its divisors is an integer number (76528200).

Almost surely, 2^871846863 is an apocalyptic number.

871846863 is a deficient number, since it is larger than the sum of its proper divisors (352604337).

871846863 is a wasteful number, since it uses less digits than its factorization.

871846863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10102.

The product of its digits is 1548288, while the sum is 51.

The square root of 871846863 is about 29527.0530700238. The cubic root of 871846863 is about 955.3153068300.

The spelling of 871846863 in words is "eight hundred seventy-one million, eight hundred forty-six thousand, eight hundred sixty-three".