28066789833 has 8 divisors (see below), whose sum is σ = 37673544000. Its totient is φ = 18585614448.

The previous prime is 28066789801. The next prime is 28066789847. The reversal of 28066789833 is 33898766082.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 28066789833 - 2⁵ = 28066789801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28066389833) 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 in 7 ways as a sum of consecutive naturals, for example, 31394173 + ... + 31395066.

It is an arithmetic number, because the mean of its divisors is an integer number (4709193000).

Almost surely, 2^28066789833 is an apocalyptic number.

It is an amenable number.

28066789833 is a deficient number, since it is larger than the sum of its proper divisors (9606754167).

28066789833 is a wasteful number, since it uses less digits than its factorization.

28066789833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62789391.

The product of its (nonzero) digits is 20901888, while the sum is 60.

The spelling of 28066789833 in words is "twenty-eight billion, sixty-six million, seven hundred eighty-nine thousand, eight hundred thirty-three".