282728647 has 2 divisors, whose sum is σ = 282728648. Its totient is φ = 282728646.

The previous prime is 282728557. The next prime is 282728657. The reversal of 282728647 is 746827282.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 282728647 - 2¹¹ = 282726599 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 282728597 and 282728606.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (282728657) 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, 141364323 + 141364324.

It is an arithmetic number, because the mean of its divisors is an integer number (141364324).

Almost surely, 2^282728647 is an apocalyptic number.

282728647 is a deficient number, since it is larger than the sum of its proper divisors (1).

282728647 is an equidigital number, since it uses as much as digits as its factorization.

282728647 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 602112, while the sum is 46.

The square root of 282728647 is about 16814.5367762541. The cubic root of 282728647 is about 656.3315352419.

The spelling of 282728647 in words is "two hundred eighty-two million, seven hundred twenty-eight thousand, six hundred forty-seven".