28065282666888 has 16 divisors (see below), whose sum is σ = 70163206667280. Its totient is φ = 9355094222288.

The previous prime is 28065282666833. The next prime is 28065282666937. The reversal of 28065282666888 is 88866628256082.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 584693388870 + ... + 584693388917.

It is an arithmetic number, because the mean of its divisors is an integer number (4385200416705).

Almost surely, 2^{28065282666888} is an apocalyptic number.

It is an amenable number.

28065282666888 is an abundant number, since it is smaller than the sum of its proper divisors (42097924000392).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28065282666888 is a wasteful number, since it uses less digits than its factorization.

28065282666888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1169386777796 (or 1169386777792 counting only the distinct ones).

The product of its (nonzero) digits is 1698693120, while the sum is 75.

The spelling of 28065282666888 in words is "twenty-eight trillion, sixty-five billion, two hundred eighty-two million, six hundred sixty-six thousand, eight hundred eighty-eight".