28082066287 has 16 divisors (see below), whose sum is σ = 31396514688. Its totient is φ = 24896400480.

The previous prime is 28082066279. The next prime is 28082066297. The reversal of 28082066287 is 78266028082.

It is a cyclic number.

It is not a de Polignac number, because 28082066287 - 2³ = 28082066279 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28082066287.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28082066227) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 257973 + ... + 350305.

It is an arithmetic number, because the mean of its divisors is an integer number (1962282168).

Almost surely, 2^28082066287 is an apocalyptic number.

28082066287 is a deficient number, since it is larger than the sum of its proper divisors (3314448401).

28082066287 is a wasteful number, since it uses less digits than its factorization.

28082066287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93030.

The product of its (nonzero) digits is 1032192, while the sum is 49.

The spelling of 28082066287 in words is "twenty-eight billion, eighty-two million, sixty-six thousand, two hundred eighty-seven".