871587868 has 12 divisors (see below), whose sum is σ = 1528198840. Its totient is φ = 434959632.

The previous prime is 871587859. The next prime is 871587869. The reversal of 871587868 is 868785178.

871587868 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (871587869) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 206223 + ... + 210406.

Almost surely, 2^871587868 is an apocalyptic number.

It is an amenable number.

871587868 is a deficient number, since it is larger than the sum of its proper divisors (656610972).

871587868 is a wasteful number, since it uses less digits than its factorization.

871587868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417156 (or 417154 counting only the distinct ones).

The product of its digits is 6021120, while the sum is 58.

The square root of 871587868 is about 29522.6670204438. The cubic root of 871587868 is about 955.2207006163.

The spelling of 871587868 in words is "eight hundred seventy-one million, five hundred eighty-seven thousand, eight hundred sixty-eight".