214780067 has 2 divisors, whose sum is σ = 214780068. Its totient is φ = 214780066.

The previous prime is 214780063. The next prime is 214780081. The reversal of 214780067 is 760087412.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 214780067 - 2² = 214780063 is a prime.

It is a super-2 number, since 2×214780067² = 92260954361048978, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (214780063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107390033 + 107390034.

It is an arithmetic number, because the mean of its divisors is an integer number (107390034).

Almost surely, 2^214780067 is an apocalyptic number.

214780067 is a deficient number, since it is larger than the sum of its proper divisors (1).

214780067 is an equidigital number, since it uses as much as digits as its factorization.

214780067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 214780067 is about 14655.3767266488. The cubic root of 214780067 is about 598.8682991715.

The spelling of 214780067 in words is "two hundred fourteen million, seven hundred eighty thousand, sixty-seven".