28339702336 has 63 divisors (see below), whose sum is σ = 61846109353. Its totient is φ = 12874949120.

The previous prime is 28339702331. The next prime is 28339702361. The reversal of 28339702336 is 63320793382.

The square root of 28339702336 is 168344.

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

It can be written as a sum of positive squares in only one way, i.e., 24674126400 + 3665575936 = 157080^2 + 60544^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28339702331) 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, 14813316 + ... + 14815228.

Almost surely, 2^28339702336 is an apocalyptic number.

28339702336 is the 168344-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28339702336

28339702336 is an abundant number, since it is smaller than the sum of its proper divisors (33506407017).

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

28339702336 is an frugal number, since it uses more digits than its factorization.

28339702336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3860 (or 1926 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 46.

The spelling of 28339702336 in words is "twenty-eight billion, three hundred thirty-nine million, seven hundred two thousand, three hundred thirty-six".