28820555097282 has 96 divisors (see below), whose sum is σ = 69587937216000. Its totient is φ = 8837596542528.

The previous prime is 28820555097253. The next prime is 28820555097287. The reversal of 28820555097282 is 28279055502882.

28820555097282 is a `hidden beast` number, since 2 + 8 + 8 + 2 + 0 + 5 + 550 + 9 + 72 + 8 + 2 = 666.

It is a super-2 number, since 2×28820555097282² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28820555097287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2715282 + ... + 8063117.

It is an arithmetic number, because the mean of its divisors is an integer number (724874346000).

Almost surely, 2^{28820555097282} is an apocalyptic number.

28820555097282 is an abundant number, since it is smaller than the sum of its proper divisors (40767382118718).

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

28820555097282 is a wasteful number, since it uses less digits than its factorization.

28820555097282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10778729 (or 10778710 counting only the distinct ones).

The product of its (nonzero) digits is 64512000, while the sum is 63.

The spelling of 28820555097282 in words is "twenty-eight trillion, eight hundred twenty billion, five hundred fifty-five million, ninety-seven thousand, two hundred eighty-two".