28823840800 has 36 divisors (see below), whose sum is σ = 70366203306. Its totient is φ = 11529536000.

The previous prime is 28823840791. The next prime is 28823840803. The reversal of 28823840800 is 804832882.

It can be written as a sum of positive squares in 3 ways, for example, as 25112107024 + 3711733776 = 158468^2 + 60924^2 .

It is not an unprimeable number, because it can be changed into a prime (28823840803) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 18014101 + ... + 18015700.

Almost surely, 2^28823840800 is an apocalyptic number.

28823840800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28823840800 is an abundant number, since it is smaller than the sum of its proper divisors (41542362506).

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

28823840800 is a wasteful number, since it uses less digits than its factorization.

28823840800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36029821 (or 36029808 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 43.

The spelling of 28823840800 in words is "twenty-eight billion, eight hundred twenty-three million, eight hundred forty thousand, eight hundred".