868833189 has 32 divisors (see below), whose sum is σ = 1505264640. Its totient is φ = 484925616.

The previous prime is 868833181. The next prime is 868833247. The reversal of 868833189 is 981338868.

It is a happy number.

It is not a de Polignac number, because 868833189 - 2³ = 868833181 is a prime.

It is a super-2 number, since 2×868833189² = 1509742220615819442, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (868833181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45327 + ... + 61580.

It is an arithmetic number, because the mean of its divisors is an integer number (47039520).

Almost surely, 2^868833189 is an apocalyptic number.

It is an amenable number.

868833189 is a deficient number, since it is larger than the sum of its proper divisors (636431451).

868833189 is a wasteful number, since it uses less digits than its factorization.

868833189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106966 (or 106960 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 54.

The square root of 868833189 is about 29475.9764723749. The cubic root of 868833189 is about 954.2133042283.

The spelling of 868833189 in words is "eight hundred sixty-eight million, eight hundred thirty-three thousand, one hundred eighty-nine".