864446027 has 2 divisors, whose sum is σ = 864446028. Its totient is φ = 864446026.

The previous prime is 864445997. The next prime is 864446029. The reversal of 864446027 is 720644468.

864446027 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 864446027 - 2¹⁸ = 864183883 is a prime.

Together with 864446029, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (864446029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 432223013 + 432223014.

It is an arithmetic number, because the mean of its divisors is an integer number (432223014).

Almost surely, 2^864446027 is an apocalyptic number.

864446027 is a deficient number, since it is larger than the sum of its proper divisors (1).

864446027 is an equidigital number, since it uses as much as digits as its factorization.

864446027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 258048, while the sum is 41.

The square root of 864446027 is about 29401.4630078165. The cubic root of 864446027 is about 952.6044973681.

The spelling of 864446027 in words is "eight hundred sixty-four million, four hundred forty-six thousand, twenty-seven".