28000877184 has 192 divisors, whose sum is σ = 94333337280. Its totient is φ = 7805030400.

The previous prime is 28000877173. The next prime is 28000877221. The reversal of 28000877184 is 48177800082.

It is a tau number, because it is divible by the number of its divisors (192).

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

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 23 ways as a sum of consecutive naturals, for example, 288279 + ... + 372969.

It is an arithmetic number, because the mean of its divisors is an integer number (491319465).

Almost surely, 2^28000877184 is an apocalyptic number.

28000877184 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28000877184, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47166668640).

28000877184 is an abundant number, since it is smaller than the sum of its proper divisors (66332460096).

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

28000877184 is a wasteful number, since it uses less digits than its factorization.

28000877184 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84759 (or 84744 counting only the distinct ones).

The product of its (nonzero) digits is 200704, while the sum is 45.

The spelling of 28000877184 in words is "twenty-eight billion, eight hundred seventy-seven thousand, one hundred eighty-four".