28016026828 has 12 divisors (see below), whose sum is σ = 49054236280. Its totient is φ = 14000530752.

The previous prime is 28016026823. The next prime is 28016026847. The reversal of 28016026828 is 82862061082.

It is not an unprimeable number, because it can be changed into a prime (28016026823) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1862238 + ... + 1877221.

Almost surely, 2^28016026828 is an apocalyptic number.

It is an amenable number.

28016026828 is a deficient number, since it is larger than the sum of its proper divisors (21038209452).

28016026828 is a wasteful number, since it uses less digits than its factorization.

28016026828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3741336 (or 3741334 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 43.

The spelling of 28016026828 in words is "twenty-eight billion, sixteen million, twenty-six thousand, eight hundred twenty-eight".