28334315584 has 63 divisors (see below), whose sum is σ = 57451503207. Its totient is φ = 13864840704.

The previous prime is 28334315579. The next prime is 28334315587. The reversal of 28334315584 is 48551343382.

The square root of 28334315584 is 168328.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 4346501184 + 23987814400 = 65928^2 + 154880^2 .

It is a super-2 number, since 2×28334315584² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28334315587) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 71370874 + ... + 71371270.

Almost surely, 2^28334315584 is an apocalyptic number.

28334315584 is the 168328-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28334315584

28334315584 is an abundant number, since it is smaller than the sum of its proper divisors (29117187623).

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

28334315584 is an frugal number, since it uses more digits than its factorization.

28334315584 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 912 (or 452 counting only the distinct ones).

The product of its digits is 1382400, while the sum is 46.

The spelling of 28334315584 in words is "twenty-eight billion, three hundred thirty-four million, three hundred fifteen thousand, five hundred eighty-four".