864233507 has 2 divisors, whose sum is σ = 864233508. Its totient is φ = 864233506.

The previous prime is 864233497. The next prime is 864233537. The reversal of 864233507 is 705332468.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 864233507 - 2¹² = 864229411 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (864233537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 432116753 + 432116754.

It is an arithmetic number, because the mean of its divisors is an integer number (432116754).

Almost surely, 2^864233507 is an apocalyptic number.

864233507 is a deficient number, since it is larger than the sum of its proper divisors (1).

864233507 is an equidigital number, since it uses as much as digits as its factorization.

864233507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120960, while the sum is 38.

The square root of 864233507 is about 29397.8486797929. The cubic root of 864233507 is about 952.5264265211.

The spelling of 864233507 in words is "eight hundred sixty-four million, two hundred thirty-three thousand, five hundred seven".