871183850875 has 128 divisors (see below), whose sum is σ = 1310165176320. Its totient is φ = 571352832000.

The previous prime is 871183850827. The next prime is 871183850899. The reversal of 871183850875 is 578058381178.

It is not a de Polignac number, because 871183850875 - 2¹¹ = 871183848827 is a prime.

It is a super-2 number, since 2×871183850875² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 138038970 + ... + 138045280.

It is an arithmetic number, because the mean of its divisors is an integer number (10235665440).

Almost surely, 2^871183850875 is an apocalyptic number.

871183850875 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

871183850875 is a deficient number, since it is larger than the sum of its proper divisors (438981325445).

871183850875 is a wasteful number, since it uses less digits than its factorization.

871183850875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6638 (or 6628 counting only the distinct ones).

The product of its (nonzero) digits is 15052800, while the sum is 61.

The spelling of 871183850875 in words is "eight hundred seventy-one billion, one hundred eighty-three million, eight hundred fifty thousand, eight hundred seventy-five".