8666666667 has 12 divisors (see below), whose sum is σ = 12519627120. Its totient is φ = 5777266128.

The previous prime is 8666666629. The next prime is 8666666677. The reversal of 8666666667 is 7666666668.

It is not a de Polignac number, because 8666666667 - 2¹¹ = 8666664619 is a prime.

It is a super-2 number, since 2×8666666667² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8666666677) 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, 84634 + ... + 156512.

It is an arithmetic number, because the mean of its divisors is an integer number (1043302260).

Almost surely, 2^8666666667 is an apocalyptic number.

8666666667 is a deficient number, since it is larger than the sum of its proper divisors (3852960453).

8666666667 is a wasteful number, since it uses less digits than its factorization.

8666666667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85282 (or 85279 counting only the distinct ones).

The product of its digits is 94058496, while the sum is 63.

The square root of 8666666667 is about 93094.9336269166. The cubic root of 8666666667 is about 2054.0800492760.

Subtracting from 8666666667 its reverse (7666666668), we obtain a palindrome (999999999).

The spelling of 8666666667 in words is "eight billion, six hundred sixty-six million, six hundred sixty-six thousand, six hundred sixty-seven".