28084560211 has 2 divisors, whose sum is σ = 28084560212. Its totient is φ = 28084560210.

The previous prime is 28084560187. The next prime is 28084560223. The reversal of 28084560211 is 11206548082.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28084560211 - 2¹⁹ = 28084035923 is a prime.

It is not a weakly prime, because it can be changed into another prime (28084560271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14042280105 + 14042280106.

It is an arithmetic number, because the mean of its divisors is an integer number (14042280106).

Almost surely, 2^28084560211 is an apocalyptic number.

28084560211 is a deficient number, since it is larger than the sum of its proper divisors (1).

28084560211 is an equidigital number, since it uses as much as digits as its factorization.

28084560211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30720, while the sum is 37.

It can be divided in two parts, 280845 and 60211, that added together give a square (341056 = 584²).

The spelling of 28084560211 in words is "twenty-eight billion, eighty-four million, five hundred sixty thousand, two hundred eleven".