66884327 has 2 divisors, whose sum is σ = 66884328. Its totient is φ = 66884326.

The previous prime is 66884269. The next prime is 66884333. The reversal of 66884327 is 72348866.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 66884327 - 2⁸ = 66884071 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66881327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33442163 + 33442164.

It is an arithmetic number, because the mean of its divisors is an integer number (33442164).

Almost surely, 2^66884327 is an apocalyptic number.

66884327 is a deficient number, since it is larger than the sum of its proper divisors (1).

66884327 is an equidigital number, since it uses as much as digits as its factorization.

66884327 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 387072, while the sum is 44.

The square root of 66884327 is about 8178.2838664355. The cubic root of 66884327 is about 405.9209383611.

The spelling of 66884327 in words is "sixty-six million, eight hundred eighty-four thousand, three hundred twenty-seven".