28820548122 has 16 divisors (see below), whose sum is σ = 58586032992. Its totient is φ = 9449359920.

The previous prime is 28820548111. The next prime is 28820548129. The reversal of 28820548122 is 22184502882.

It is not an unprimeable number, because it can be changed into a prime (28820548129) 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 7 ways as a sum of consecutive naturals, for example, 39371968 + ... + 39372699.

It is an arithmetic number, because the mean of its divisors is an integer number (3661627062).

Almost surely, 2^28820548122 is an apocalyptic number.

28820548122 is an abundant number, since it is smaller than the sum of its proper divisors (29765484870).

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

28820548122 is a wasteful number, since it uses less digits than its factorization.

28820548122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78744733.

The product of its (nonzero) digits is 163840, while the sum is 42.

The spelling of 28820548122 in words is "twenty-eight billion, eight hundred twenty million, five hundred forty-eight thousand, one hundred twenty-two".