871034603533887 has 32 divisors (see below), whose sum is σ = 1291070388428800. Its totient is φ = 518726931759360.

The previous prime is 871034603533867. The next prime is 871034603533951. The reversal of 871034603533887 is 788335306430178.

It is a happy number.

It is not a de Polignac number, because 871034603533887 - 2⁸ = 871034603533631 is a prime.

It is a super-2 number, since 2×871034603533887² (a number of 31 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (871034603533837) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 191441739 + ... + 195938787.

It is an arithmetic number, because the mean of its divisors is an integer number (40345949638400).

Almost surely, 2^{871034603533887} is an apocalyptic number.

871034603533887 is a deficient number, since it is larger than the sum of its proper divisors (420035784894913).

871034603533887 is a wasteful number, since it uses less digits than its factorization.

871034603533887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4657303.

The product of its (nonzero) digits is 243855360, while the sum is 66.

The spelling of 871034603533887 in words is "eight hundred seventy-one trillion, thirty-four billion, six hundred three million, five hundred thirty-three thousand, eight hundred eighty-seven".