28068824089 has 8 divisors (see below), whose sum is σ = 29553821280. Its totient is φ = 26584596000.

The previous prime is 28068824087. The next prime is 28068824129. The reversal of 28068824089 is 98042886082.

It is a happy number.

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 28068824089 - 2¹ = 28068824087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28068824087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116587 + ... + 264064.

It is an arithmetic number, because the mean of its divisors is an integer number (3694227660).

Almost surely, 2^28068824089 is an apocalyptic number.

It is an amenable number.

28068824089 is a deficient number, since it is larger than the sum of its proper divisors (1484997191).

28068824089 is a wasteful number, since it uses less digits than its factorization.

28068824089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384551.

The product of its (nonzero) digits is 3538944, while the sum is 55.

The spelling of 28068824089 in words is "twenty-eight billion, sixty-eight million, eight hundred twenty-four thousand, eighty-nine".