8689999868 has 48 divisors (see below), whose sum is σ = 16734762240. Its totient is φ = 3915648000.

The previous prime is 8689999867. The next prime is 8689999873.

8689999868 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 8689999792 and 8689999801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8689999861) 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, 4111580 + ... + 4113692.

It is an arithmetic number, because the mean of its divisors is an integer number (348640880).

Almost surely, 2^8689999868 is an apocalyptic number.

It is an amenable number.

8689999868 is a deficient number, since it is larger than the sum of its proper divisors (8044762372).

8689999868 is a wasteful number, since it uses less digits than its factorization.

8689999868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2898 (or 2896 counting only the distinct ones).

The product of its digits is 967458816, while the sum is 80.

The square root of 8689999868 is about 93220.1687833701. The cubic root of 8689999868 is about 2055.9217921444.

The spelling of 8689999868 in words is "eight billion, six hundred eighty-nine million, nine hundred ninety-nine thousand, eight hundred sixty-eight".