28003328308 has 24 divisors (see below), whose sum is σ = 49773225600. Its totient is φ = 13782709248.

The previous prime is 28003328293. The next prime is 28003328317. The reversal of 28003328308 is 80382330082.

It is a super-3 number, since 3×28003328308³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 340533 + ... + 414691.

It is an arithmetic number, because the mean of its divisors is an integer number (2073884400).

Almost surely, 2^28003328308 is an apocalyptic number.

It is an amenable number.

28003328308 is a deficient number, since it is larger than the sum of its proper divisors (21769897292).

28003328308 is a wasteful number, since it uses less digits than its factorization.

28003328308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75639 (or 75637 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 37.

The spelling of 28003328308 in words is "twenty-eight billion, three million, three hundred twenty-eight thousand, three hundred eight".