8689112217 has 16 divisors (see below), whose sum is σ = 13027855680. Its totient is φ = 5722947936.

The previous prime is 8689112213. The next prime is 8689112219. The reversal of 8689112217 is 7122119868.

It is not a de Polignac number, because 8689112217 - 2² = 8689112213 is a prime.

It is a super-2 number, since 2×8689112217² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8689112213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1936428 + ... + 1940909.

It is an arithmetic number, because the mean of its divisors is an integer number (814240980).

Almost surely, 2^8689112217 is an apocalyptic number.

It is an amenable number.

8689112217 is a deficient number, since it is larger than the sum of its proper divisors (4338743463).

8689112217 is a wasteful number, since it uses less digits than its factorization.

8689112217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3877429 (or 3877423 counting only the distinct ones).

The product of its digits is 96768, while the sum is 45.

The square root of 8689112217 is about 93215.4076159086. The cubic root of 8689112217 is about 2055.8517881857.

The spelling of 8689112217 in words is "eight billion, six hundred eighty-nine million, one hundred twelve thousand, two hundred seventeen".