28000806282 has 24 divisors (see below), whose sum is σ = 61293864996. Its totient is φ = 9237378816.

The previous prime is 28000806277. The next prime is 28000806307. The reversal of 28000806282 is 28260800082.

28000806282 is a `hidden beast` number, since 28 + 0 + 0 + 0 + 8 + 0 + 628 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 25979314761 + 2021491521 = 161181^2 + 44961^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8016813 + ... + 8020304.

Almost surely, 2^28000806282 is an apocalyptic number.

28000806282 is an abundant number, since it is smaller than the sum of its proper divisors (33293058714).

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

28000806282 is a wasteful number, since it uses less digits than its factorization.

28000806282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16037222 (or 16037219 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 36.

The spelling of 28000806282 in words is "twenty-eight billion, eight hundred six thousand, two hundred eighty-two".