966444667 has 2 divisors, whose sum is σ = 966444668. Its totient is φ = 966444666.

The previous prime is 966444641. The next prime is 966444719. The reversal of 966444667 is 766444669.

It is an a-pointer prime, because the next prime (966444719) can be obtained adding 966444667 to its sum of digits (52).

It is a weak prime.

It is an emirp because it is prime and its reverse (766444669) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-966444667 is a prime.

It is not a weakly prime, because it can be changed into another prime (966444607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 483222333 + 483222334.

It is an arithmetic number, because the mean of its divisors is an integer number (483222334).

Almost surely, 2^966444667 is an apocalyptic number.

966444667 is a deficient number, since it is larger than the sum of its proper divisors (1).

966444667 is an equidigital number, since it uses as much as digits as its factorization.

966444667 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5225472, while the sum is 52.

The square root of 966444667 is about 31087.6931759177. The cubic root of 966444667 is about 988.6873965807.

The spelling of 966444667 in words is "nine hundred sixty-six million, four hundred forty-four thousand, six hundred sixty-seven".