28574756808 has 128 divisors (see below), whose sum is σ = 80146281600. Its totient is φ = 8432179200.

The previous prime is 28574756747. The next prime is 28574756831. The reversal of 28574756808 is 80865747582.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 735798 + ... + 773658.

It is an arithmetic number, because the mean of its divisors is an integer number (626142825).

Almost surely, 2^28574756808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28574756808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40073140800).

28574756808 is an abundant number, since it is smaller than the sum of its proper divisors (51571524792).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28574756808 is a wasteful number, since it uses less digits than its factorization.

28574756808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37983 (or 37979 counting only the distinct ones).

The product of its (nonzero) digits is 30105600, while the sum is 60.

The spelling of 28574756808 in words is "twenty-eight billion, five hundred seventy-four million, seven hundred fifty-six thousand, eight hundred eight".