666008027 has 2 divisors, whose sum is σ = 666008028. Its totient is φ = 666008026.

The previous prime is 666008011. The next prime is 666008041. The reversal of 666008027 is 720800666.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 666008027 - 2⁴ = 666008011 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (666008087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 333004013 + 333004014.

It is an arithmetic number, because the mean of its divisors is an integer number (333004014).

Almost surely, 2^666008027 is an apocalyptic number.

666008027 is a deficient number, since it is larger than the sum of its proper divisors (1).

666008027 is an equidigital number, since it uses as much as digits as its factorization.

666008027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 666008027 is about 25807.1313206253. The cubic root of 666008027 is about 873.2926825701.

The spelling of 666008027 in words is "six hundred sixty-six million, eight thousand, twenty-seven".