28066333 has 2 divisors, whose sum is σ = 28066334. Its totient is φ = 28066332.

The previous prime is 28066327. The next prime is 28066343. The reversal of 28066333 is 33366082.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23213124 + 4853209 = 4818^2 + 2203^2 .

It is a cyclic number.

It is not a de Polignac number, because 28066333 - 2¹³ = 28058141 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28066295 and 28066304.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28066343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14033166 + 14033167.

It is an arithmetic number, because the mean of its divisors is an integer number (14033167).

Almost surely, 2^28066333 is an apocalyptic number.

It is an amenable number.

28066333 is a deficient number, since it is larger than the sum of its proper divisors (1).

28066333 is an equidigital number, since it uses as much as digits as its factorization.

28066333 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 31.

The square root of 28066333 is about 5297.7667936594. The cubic root of 28066333 is about 303.8985010012.

The spelling of 28066333 in words is "twenty-eight million, sixty-six thousand, three hundred thirty-three".