28339763 has 2 divisors, whose sum is σ = 28339764. Its totient is φ = 28339762.

The previous prime is 28339747. The next prime is 28339771. The reversal of 28339763 is 36793382.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28339763 - 2⁴ = 28339747 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28339763.

It is not a weakly prime, because it can be changed into another prime (28339723) 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, 14169881 + 14169882.

It is an arithmetic number, because the mean of its divisors is an integer number (14169882).

Almost surely, 2^28339763 is an apocalyptic number.

28339763 is a deficient number, since it is larger than the sum of its proper divisors (1).

28339763 is an equidigital number, since it uses as much as digits as its factorization.

28339763 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 163296, while the sum is 41.

The square root of 28339763 is about 5323.5104019810. The cubic root of 28339763 is about 304.8822012168.

The spelling of 28339763 in words is "twenty-eight million, three hundred thirty-nine thousand, seven hundred sixty-three".