2847287 has 2 divisors, whose sum is σ = 2847288. Its totient is φ = 2847286.

The previous prime is 2847277. The next prime is 2847289. The reversal of 2847287 is 7827482.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2847287 is a prime.

Together with 2847289, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2847287.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2847289) 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, 1423643 + 1423644.

It is an arithmetic number, because the mean of its divisors is an integer number (1423644).

2^2847287 is an apocalyptic number.

2847287 is a deficient number, since it is larger than the sum of its proper divisors (1).

2847287 is an equidigital number, since it uses as much as digits as its factorization.

2847287 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 50176, while the sum is 38.

The square root of 2847287 is about 1687.3905890457. The cubic root of 2847287 is about 141.7349914174.

The spelling of 2847287 in words is "two million, eight hundred forty-seven thousand, two hundred eighty-seven".