28082783 has 2 divisors, whose sum is σ = 28082784. Its totient is φ = 28082782.

The previous prime is 28082777. The next prime is 28082809. The reversal of 28082783 is 38728082.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28082783 - 2⁴ = 28082767 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28082723) 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, 14041391 + 14041392.

It is an arithmetic number, because the mean of its divisors is an integer number (14041392).

Almost surely, 2^28082783 is an apocalyptic number.

28082783 is a deficient number, since it is larger than the sum of its proper divisors (1).

28082783 is an equidigital number, since it uses as much as digits as its factorization.

28082783 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43008, while the sum is 38.

The square root of 28082783 is about 5299.3191072061. The cubic root of 28082783 is about 303.9578622054.

The spelling of 28082783 in words is "twenty-eight million, eighty-two thousand, seven hundred eighty-three".