214827881 has 2 divisors, whose sum is σ = 214827882. Its totient is φ = 214827880.

The previous prime is 214827869. The next prime is 214827913. The reversal of 214827881 is 188728412.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 152275600 + 62552281 = 12340^2 + 7909^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-214827881 is a prime.

It is a super-2 number, since 2×214827881² = 92302036909900322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (214827841) 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, 107413940 + 107413941.

It is an arithmetic number, because the mean of its divisors is an integer number (107413941).

Almost surely, 2^214827881 is an apocalyptic number.

It is an amenable number.

214827881 is a deficient number, since it is larger than the sum of its proper divisors (1).

214827881 is an equidigital number, since it uses as much as digits as its factorization.

214827881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 57344, while the sum is 41.

The square root of 214827881 is about 14657.0079143050. The cubic root of 214827881 is about 598.9127355799.

The spelling of 214827881 in words is "two hundred fourteen million, eight hundred twenty-seven thousand, eight hundred eighty-one".