28256892336 has 320 divisors, whose sum is σ = 87474401280. Its totient is φ = 8716032000.

The previous prime is 28256892263. The next prime is 28256892343. The reversal of 28256892336 is 63329865282.

28256892336 is a `hidden beast` number, since 28 + 2 + 568 + 9 + 23 + 36 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

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 63 ways as a sum of consecutive naturals, for example, 29100331 + ... + 29101301.

It is an arithmetic number, because the mean of its divisors is an integer number (273357504).

Almost surely, 2^28256892336 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28256892336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43737200640).

28256892336 is an abundant number, since it is smaller than the sum of its proper divisors (59217508944).

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

28256892336 is a wasteful number, since it uses less digits than its factorization.

28256892336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1113 (or 1101 counting only the distinct ones).

The product of its digits is 7464960, while the sum is 54.

The spelling of 28256892336 in words is "twenty-eight billion, two hundred fifty-six million, eight hundred ninety-two thousand, three hundred thirty-six".