214856487 has 12 divisors (see below), whose sum is σ = 311505480. Its totient is φ = 142703568.

The previous prime is 214856483. The next prime is 214856497. The reversal of 214856487 is 784658412.

214856487 is a `hidden beast` number, since 2 + 1 + 4 + 8 + 564 + 87 = 666.

It is not a de Polignac number, because 214856487 - 2² = 214856483 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214856483) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41953 + ... + 46794.

It is an arithmetic number, because the mean of its divisors is an integer number (25958790).

Almost surely, 2^214856487 is an apocalyptic number.

214856487 is a deficient number, since it is larger than the sum of its proper divisors (96648993).

214856487 is a wasteful number, since it uses less digits than its factorization.

214856487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89022 (or 89019 counting only the distinct ones).

The product of its digits is 430080, while the sum is 45.

The square root of 214856487 is about 14657.9837290127. The cubic root of 214856487 is about 598.9393176933.

It can be divided in two parts, 21485 and 6487, that added together give a palindrome (27972).

The spelling of 214856487 in words is "two hundred fourteen million, eight hundred fifty-six thousand, four hundred eighty-seven".