825003259081877 has 2 divisors, whose sum is σ = 825003259081878. Its totient is φ = 825003259081876.

The previous prime is 825003259081763. The next prime is 825003259081949. The reversal of 825003259081877 is 778180952300528.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 819361370511121 + 5641888570756 = 28624489^2 + 2375266^2 .

It is a cyclic number.

It is not a de Polignac number, because 825003259081877 - 2¹⁰ = 825003259080853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (825003259881877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 412501629540938 + 412501629540939.

It is an arithmetic number, because the mean of its divisors is an integer number (412501629540939).

Almost surely, 2^{825003259081877} is an apocalyptic number.

It is an amenable number.

825003259081877 is a deficient number, since it is larger than the sum of its proper divisors (1).

825003259081877 is an equidigital number, since it uses as much as digits as its factorization.

825003259081877 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 67737600, while the sum is 65.

The spelling of 825003259081877 in words is "eight hundred twenty-five trillion, three billion, two hundred fifty-nine million, eighty-one thousand, eight hundred seventy-seven".