214965887 has 2 divisors, whose sum is σ = 214965888. Its totient is φ = 214965886.

The previous prime is 214965869. The next prime is 214965913. The reversal of 214965887 is 788569412.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 214965887 - 2¹⁶ = 214900351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (214965847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107482943 + 107482944.

It is an arithmetic number, because the mean of its divisors is an integer number (107482944).

Almost surely, 2^214965887 is an apocalyptic number.

214965887 is a deficient number, since it is larger than the sum of its proper divisors (1).

214965887 is an equidigital number, since it uses as much as digits as its factorization.

214965887 is an evil number, because the sum of its binary digits is even.

The product of its digits is 967680, while the sum is 50.

The square root of 214965887 is about 14661.7150088249. The cubic root of 214965887 is about 599.0409558369.

The spelling of 214965887 in words is "two hundred fourteen million, nine hundred sixty-five thousand, eight hundred eighty-seven".