28833322728 has 64 divisors (see below), whose sum is σ = 82497456000. Its totient is φ = 8226438912.

The previous prime is 28833322723. The next prime is 28833322729. The reversal of 28833322728 is 82722333882.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (28833322723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1923 + ... + 240146.

It is an arithmetic number, because the mean of its divisors is an integer number (1289022750).

Almost surely, 2^28833322728 is an apocalyptic number.

28833322728 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

28833322728 is an abundant number, since it is smaller than the sum of its proper divisors (53664133272).

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

28833322728 is a wasteful number, since it uses less digits than its factorization.

28833322728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242794 (or 242790 counting only the distinct ones).

The product of its digits is 1548288, while the sum is 48.

The spelling of 28833322728 in words is "twenty-eight billion, eight hundred thirty-three million, three hundred twenty-two thousand, seven hundred twenty-eight".