28534855168 has 40 divisors (see below), whose sum is σ = 57300685200. Its totient is φ = 14195681280.

The previous prime is 28534855159. The next prime is 28534855189. The reversal of 28534855168 is 86155843582.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38143 + ... + 241918.

It is an arithmetic number, because the mean of its divisors is an integer number (1432517130).

Almost surely, 2^28534855168 is an apocalyptic number.

It is an amenable number.

28534855168 is an abundant number, since it is smaller than the sum of its proper divisors (28765830032).

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

28534855168 is an equidigital number, since it uses as much as digits as its factorization.

28534855168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280278 (or 280262 counting only the distinct ones).

The product of its digits is 9216000, while the sum is 55.

The spelling of 28534855168 in words is "twenty-eight billion, five hundred thirty-four million, eight hundred fifty-five thousand, one hundred sixty-eight".