28301677589 has 2 divisors, whose sum is σ = 28301677590. Its totient is φ = 28301677588.

The previous prime is 28301677519. The next prime is 28301677631. The reversal of 28301677589 is 98577610382.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22731592900 + 5570084689 = 150770^2 + 74633^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28301677589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28301677519) 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, 14150838794 + 14150838795.

It is an arithmetic number, because the mean of its divisors is an integer number (14150838795).

Almost surely, 2^28301677589 is an apocalyptic number.

It is an amenable number.

28301677589 is a deficient number, since it is larger than the sum of its proper divisors (1).

28301677589 is an equidigital number, since it uses as much as digits as its factorization.

28301677589 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5080320, while the sum is 56.

The spelling of 28301677589 in words is "twenty-eight billion, three hundred one million, six hundred seventy-seven thousand, five hundred eighty-nine".