28522086889 has 16 divisors (see below), whose sum is σ = 31262561280. Its totient is φ = 25904609280.

The previous prime is 28522086871. The next prime is 28522086907. The reversal of 28522086889 is 98868022582.

It is an interprime number because it is at equal distance from previous prime (28522086871) and next prime (28522086907).

It is a cyclic number.

It is not a de Polignac number, because 28522086889 - 2⁹ = 28522086377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28522086829) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109372 + ... + 262690.

It is an arithmetic number, because the mean of its divisors is an integer number (1953910080).

Almost surely, 2^28522086889 is an apocalyptic number.

It is an amenable number.

28522086889 is a deficient number, since it is larger than the sum of its proper divisors (2740474391).

28522086889 is a wasteful number, since it uses less digits than its factorization.

28522086889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153720.

The product of its (nonzero) digits is 8847360, while the sum is 58.

The spelling of 28522086889 in words is "twenty-eight billion, five hundred twenty-two million, eighty-six thousand, eight hundred eighty-nine".