871045884 has 36 divisors (see below), whose sum is σ = 2243358936. Its totient is φ = 284869728.

The previous prime is 871045867. The next prime is 871045909. The reversal of 871045884 is 488540178.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

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, 226354 + ... + 230169.

It is an arithmetic number, because the mean of its divisors is an integer number (62315526).

Almost surely, 2^871045884 is an apocalyptic number.

It is an amenable number.

871045884 is an abundant number, since it is smaller than the sum of its proper divisors (1372313052).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

871045884 is a wasteful number, since it uses less digits than its factorization.

871045884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456586 (or 456581 counting only the distinct ones).

The product of its (nonzero) digits is 286720, while the sum is 45.

The square root of 871045884 is about 29513.4864765246. The cubic root of 871045884 is about 955.0226629491.

The spelling of 871045884 in words is "eight hundred seventy-one million, forty-five thousand, eight hundred eighty-four".