668000867 has 2 divisors, whose sum is σ = 668000868. Its totient is φ = 668000866.

The previous prime is 668000797. The next prime is 668000899. The reversal of 668000867 is 768000866.

668000867 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 668000867 - 2²⁰ = 666952291 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (668008867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 334000433 + 334000434.

It is an arithmetic number, because the mean of its divisors is an integer number (334000434).

Almost surely, 2^668000867 is an apocalyptic number.

668000867 is a deficient number, since it is larger than the sum of its proper divisors (1).

668000867 is an equidigital number, since it uses as much as digits as its factorization.

668000867 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 668000867 is about 25845.7127392533. The cubic root of 668000867 is about 874.1628420785.

Subtracting 668000867 from its reverse (768000866), we obtain a palindrome (99999999).

The spelling of 668000867 in words is "six hundred sixty-eight million, eight hundred sixty-seven", and thus it is an aban number.