528868487897 has 2 divisors, whose sum is σ = 528868487898. Its totient is φ = 528868487896.

The previous prime is 528868487881. The next prime is 528868488067. The reversal of 528868487897 is 798784868825.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 468035225161 + 60833262736 = 684131^2 + 246644^2 .

It is a cyclic number.

It is not a de Polignac number, because 528868487897 - 2⁴ = 528868487881 is a prime.

It is not a weakly prime, because it can be changed into another prime (528868487857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 264434243948 + 264434243949.

It is an arithmetic number, because the mean of its divisors is an integer number (264434243949).

Almost surely, 2^528868487897 is an apocalyptic number.

It is an amenable number.

528868487897 is a deficient number, since it is larger than the sum of its proper divisors (1).

528868487897 is an equidigital number, since it uses as much as digits as its factorization.

528868487897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3468165120, while the sum is 80.

The spelling of 528868487897 in words is "five hundred twenty-eight billion, eight hundred sixty-eight million, four hundred eighty-seven thousand, eight hundred ninety-seven".