28254086208 has 84 divisors (see below), whose sum is σ = 81044499328. Its totient is φ = 9411137280.

The previous prime is 28254086177. The next prime is 28254086209. The reversal of 28254086208 is 80268045282.

28254086208 is a `hidden beast` number, since 2 + 8 + 2 + 540 + 86 + 20 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (28254086209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 802413 + ... + 836883.

Almost surely, 2^28254086208 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 28254086208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40522249664).

28254086208 is an abundant number, since it is smaller than the sum of its proper divisors (52790413120).

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

28254086208 is a wasteful number, since it uses less digits than its factorization.

28254086208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35912 (or 35899 counting only the distinct ones).

The product of its (nonzero) digits is 491520, while the sum is 45.

The spelling of 28254086208 in words is "twenty-eight billion, two hundred fifty-four million, eighty-six thousand, two hundred eight".