871824868 has 12 divisors (see below), whose sum is σ = 1525910400. Its totient is φ = 435850472.

The previous prime is 871824853. The next prime is 871824893. The reversal of 871824868 is 868428178.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33105 + ... + 53287.

It is an arithmetic number, because the mean of its divisors is an integer number (127159200).

Almost surely, 2^871824868 is an apocalyptic number.

It is an amenable number.

871824868 is a deficient number, since it is larger than the sum of its proper divisors (654085532).

871824868 is a wasteful number, since it uses less digits than its factorization.

871824868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30986 (or 30984 counting only the distinct ones).

The product of its digits is 1376256, while the sum is 52.

The square root of 871824868 is about 29526.6806126256. The cubic root of 871824868 is about 955.3072731803.

The spelling of 871824868 in words is "eight hundred seventy-one million, eight hundred twenty-four thousand, eight hundred sixty-eight".