8666006667 has 8 divisors (see below), whose sum is σ = 11580411600. Its totient is φ = 5764469760.

The previous prime is 8666006653. The next prime is 8666006711. The reversal of 8666006667 is 7666006668.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8666006667 - 2¹² = 8666002571 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8666006617) 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 7 ways as a sum of consecutive naturals, for example, 3215434 + ... + 3218127.

It is an arithmetic number, because the mean of its divisors is an integer number (1447551450).

Almost surely, 2^8666006667 is an apocalyptic number.

8666006667 is a deficient number, since it is larger than the sum of its proper divisors (2914404933).

8666006667 is a wasteful number, since it uses less digits than its factorization.

8666006667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6434013.

The product of its (nonzero) digits is 2612736, while the sum is 51.

The square root of 8666006667 is about 93091.3887908006. The cubic root of 8666006667 is about 2054.0279059203.

Subtracting from 8666006667 its reverse (7666006668), we obtain a palindrome (999999999).

The spelling of 8666006667 in words is "eight billion, six hundred sixty-six million, six thousand, six hundred sixty-seven".