214663679 has 2 divisors, whose sum is σ = 214663680. Its totient is φ = 214663678.

The previous prime is 214663667. The next prime is 214663693. The reversal of 214663679 is 976366412.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-214663679 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 (214663609) 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, 107331839 + 107331840.

It is an arithmetic number, because the mean of its divisors is an integer number (107331840).

Almost surely, 2^214663679 is an apocalyptic number.

214663679 is a deficient number, since it is larger than the sum of its proper divisors (1).

214663679 is an equidigital number, since it uses as much as digits as its factorization.

214663679 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 326592, while the sum is 44.

The square root of 214663679 is about 14651.4053592138. The cubic root of 214663679 is about 598.7601052741.

The spelling of 214663679 in words is "two hundred fourteen million, six hundred sixty-three thousand, six hundred seventy-nine".