8686868133 has 12 divisors (see below), whose sum is σ = 11995662848. Its totient is φ = 5591545680.

The previous prime is 8686868129. The next prime is 8686868147. The reversal of 8686868133 is 3318686868.

It is a happy number.

It is not a de Polignac number, because 8686868133 - 2² = 8686868129 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8686868173) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1719013 + ... + 1724058.

Almost surely, 2^8686868133 is an apocalyptic number.

It is an amenable number.

8686868133 is a deficient number, since it is larger than the sum of its proper divisors (3308794715).

8686868133 is a wasteful number, since it uses less digits than its factorization.

8686868133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3443132 (or 3443103 counting only the distinct ones).

The product of its digits is 7962624, while the sum is 57.

The square root of 8686868133 is about 93203.3697513132. The cubic root of 8686868133 is about 2055.6747888478.

The spelling of 8686868133 in words is "eight billion, six hundred eighty-six million, eight hundred sixty-eight thousand, one hundred thirty-three".