28283328855 has 24 divisors (see below), whose sum is σ = 49029231888. Its totient is φ = 15082966656.

The previous prime is 28283328847. The next prime is 28283328889. The reversal of 28283328855 is 55882338282.

28283328855 is a `hidden beast` number, since 282 + 8 + 33 + 288 + 55 = 666.

It is not a de Polignac number, because 28283328855 - 2³ = 28283328847 is a prime.

It is a super-2 number, since 2×28283328855² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 558624 + ... + 607146.

It is an arithmetic number, because the mean of its divisors is an integer number (2042884662).

Almost surely, 2^28283328855 is an apocalyptic number.

28283328855 is a deficient number, since it is larger than the sum of its proper divisors (20745903033).

28283328855 is a wasteful number, since it uses less digits than its factorization.

28283328855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61487 (or 61484 counting only the distinct ones).

The product of its digits is 7372800, while the sum is 54.

The spelling of 28283328855 in words is "twenty-eight billion, two hundred eighty-three million, three hundred twenty-eight thousand, eight hundred fifty-five".