28032566683 has 8 divisors (see below), whose sum is σ = 31231641600. Its totient is φ = 24941935080.

The previous prime is 28032566647. The next prime is 28032566689. The reversal of 28032566683 is 38666523082.

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

It is a cyclic number.

It is not a de Polignac number, because 28032566683 - 2⁹ = 28032566171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28032566689) 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 7 ways as a sum of consecutive naturals, for example, 27110283 + ... + 27111316.

It is an arithmetic number, because the mean of its divisors is an integer number (3903955200).

Almost surely, 2^28032566683 is an apocalyptic number.

28032566683 is a deficient number, since it is larger than the sum of its proper divisors (3199074917).

28032566683 is a wasteful number, since it uses less digits than its factorization.

28032566683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54221657.

The product of its (nonzero) digits is 2488320, while the sum is 49.

The spelling of 28032566683 in words is "twenty-eight billion, thirty-two million, five hundred sixty-six thousand, six hundred eighty-three".