214287863 has 2 divisors, whose sum is σ = 214287864. Its totient is φ = 214287862.

The previous prime is 214287859. The next prime is 214287893. The reversal of 214287863 is 368782412.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 214287863 - 2² = 214287859 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 214287863.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (214287893) 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, 107143931 + 107143932.

It is an arithmetic number, because the mean of its divisors is an integer number (107143932).

Almost surely, 2^214287863 is an apocalyptic number.

214287863 is a deficient number, since it is larger than the sum of its proper divisors (1).

214287863 is an equidigital number, since it uses as much as digits as its factorization.

214287863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 129024, while the sum is 41.

The square root of 214287863 is about 14638.5744866090. The cubic root of 214287863 is about 598.4104807290.

The spelling of 214287863 in words is "two hundred fourteen million, two hundred eighty-seven thousand, eight hundred sixty-three".