28575610589 has 2 divisors, whose sum is σ = 28575610590. Its totient is φ = 28575610588.

The previous prime is 28575610579. The next prime is 28575610603. The reversal of 28575610589 is 98501657582.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18822468025 + 9753142564 = 137195^2 + 98758^2 .

It is a cyclic number.

It is not a de Polignac number, because 28575610589 - 2⁸ = 28575610333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28575610579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14287805294 + 14287805295.

It is an arithmetic number, because the mean of its divisors is an integer number (14287805295).

Almost surely, 2^28575610589 is an apocalyptic number.

It is an amenable number.

28575610589 is a deficient number, since it is larger than the sum of its proper divisors (1).

28575610589 is an equidigital number, since it uses as much as digits as its factorization.

28575610589 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048000, while the sum is 56.

The spelling of 28575610589 in words is "twenty-eight billion, five hundred seventy-five million, six hundred ten thousand, five hundred eighty-nine".