282768643 has 2 divisors, whose sum is σ = 282768644. Its totient is φ = 282768642.

The previous prime is 282768631. The next prime is 282768649. The reversal of 282768643 is 346867282.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 282768643 - 2⁹ = 282768131 is a prime.

It is a super-2 number, since 2×282768643² = 159916210928122898, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 282768593 and 282768602.

It is not a weakly prime, because it can be changed into another prime (282768649) 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, 141384321 + 141384322.

It is an arithmetic number, because the mean of its divisors is an integer number (141384322).

Almost surely, 2^282768643 is an apocalyptic number.

282768643 is a deficient number, since it is larger than the sum of its proper divisors (1).

282768643 is an equidigital number, since it uses as much as digits as its factorization.

282768643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 774144, while the sum is 46.

The square root of 282768643 is about 16815.7260622312. The cubic root of 282768643 is about 656.3624829352.

The spelling of 282768643 in words is "two hundred eighty-two million, seven hundred sixty-eight thousand, six hundred forty-three".