868533219 has 8 divisors (see below), whose sum is σ = 1286715920. Its totient is φ = 579022128.

The previous prime is 868533203. The next prime is 868533233. The reversal of 868533219 is 912335868.

It is a happy number.

It is not a de Polignac number, because 868533219 - 2⁴ = 868533203 is a prime.

It is a super-2 number, since 2×868533219² = 1508699905013003922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (868533269) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16083922 + ... + 16083975.

It is an arithmetic number, because the mean of its divisors is an integer number (160839490).

Almost surely, 2^868533219 is an apocalyptic number.

868533219 is a deficient number, since it is larger than the sum of its proper divisors (418182701).

868533219 is a wasteful number, since it uses less digits than its factorization.

868533219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32167906 (or 32167900 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 868533219 is about 29470.8876520542. The cubic root of 868533219 is about 954.1034755844.

The spelling of 868533219 in words is "eight hundred sixty-eight million, five hundred thirty-three thousand, two hundred nineteen".