214883987 has 2 divisors, whose sum is σ = 214883988. Its totient is φ = 214883986.

The previous prime is 214883969. The next prime is 214884001. The reversal of 214883987 is 789388412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 214883987 - 2⁶ = 214883923 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (214883957) 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, 107441993 + 107441994.

It is an arithmetic number, because the mean of its divisors is an integer number (107441994).

Almost surely, 2^214883987 is an apocalyptic number.

214883987 is a deficient number, since it is larger than the sum of its proper divisors (1).

214883987 is an equidigital number, since it uses as much as digits as its factorization.

214883987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 774144, while the sum is 50.

The square root of 214883987 is about 14658.9217543447. The cubic root of 214883987 is about 598.9648698325.

The spelling of 214883987 in words is "two hundred fourteen million, eight hundred eighty-three thousand, nine hundred eighty-seven".