8666886668 has 48 divisors (see below), whose sum is σ = 16936432128. Its totient is φ = 3846888000.

The previous prime is 8666886667. The next prime is 8666886713.

8666886668 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×8666886668² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8666886598 and 8666886607.

It is not an unprimeable number, because it can be changed into a prime (8666886667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 948803 + ... + 957893.

It is an arithmetic number, because the mean of its divisors is an integer number (352842336).

Almost surely, 2^8666886668 is an apocalyptic number.

It is an amenable number.

8666886668 is a deficient number, since it is larger than the sum of its proper divisors (8269545460).

8666886668 is a wasteful number, since it uses less digits than its factorization.

8666886668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9614 (or 9612 counting only the distinct ones).

The product of its digits is 191102976, while the sum is 68.

The square root of 8666886668 is about 93096.1152143310. The cubic root of 8666886668 is about 2054.0974298853.

The spelling of 8666886668 in words is "eight billion, six hundred sixty-six million, eight hundred eighty-six thousand, six hundred sixty-eight".