8866666667 has 2 divisors, whose sum is σ = 8866666668. Its totient is φ = 8866666666.

The previous prime is 8866666661. The next prime is 8866666709. The reversal of 8866666667 is 7666666688.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8866666667 - 2²⁸ = 8598231211 is a prime.

It is not a weakly prime, because it can be changed into another prime (8866666661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4433333333 + 4433333334.

It is an arithmetic number, because the mean of its divisors is an integer number (4433333334).

Almost surely, 2^8866666667 is an apocalyptic number.

8866666667 is a deficient number, since it is larger than the sum of its proper divisors (1).

8866666667 is an equidigital number, since it uses as much as digits as its factorization.

8866666667 is an evil number, because the sum of its binary digits is even.

The product of its digits is 125411328, while the sum is 65.

The square root of 8866666667 is about 94162.9792806069. The cubic root of 8866666667 is about 2069.7606565126.

The spelling of 8866666667 in words is "eight billion, eight hundred sixty-six million, six hundred sixty-six thousand, six hundred sixty-seven".