28610823529 has 2 divisors, whose sum is σ = 28610823530. Its totient is φ = 28610823528.

The previous prime is 28610823469. The next prime is 28610823533. The reversal of 28610823529 is 92532801682.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18084063529 + 10526760000 = 134477^2 + 102600^2 .

It is a cyclic number.

It is not a de Polignac number, because 28610823529 - 2¹⁷ = 28610692457 is a prime.

It is not a weakly prime, because it can be changed into another prime (28610823929) 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, 14305411764 + 14305411765.

It is an arithmetic number, because the mean of its divisors is an integer number (14305411765).

Almost surely, 2^28610823529 is an apocalyptic number.

It is an amenable number.

28610823529 is a deficient number, since it is larger than the sum of its proper divisors (1).

28610823529 is an equidigital number, since it uses as much as digits as its factorization.

28610823529 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 414720, while the sum is 46.

The spelling of 28610823529 in words is "twenty-eight billion, six hundred ten million, eight hundred twenty-three thousand, five hundred twenty-nine".