28576311316 has 12 divisors (see below), whose sum is σ = 57152622688. Its totient is φ = 12246990552.

The previous prime is 28576311307. The next prime is 28576311319. The reversal of 28576311316 is 61311367582.

28576311316 is an admirable number.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28576311319) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 510291246 + ... + 510291301.

Almost surely, 2^28576311316 is an apocalyptic number.

It is an amenable number.

28576311316 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

28576311316 is a wasteful number, since it uses less digits than its factorization.

28576311316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020582558 (or 1020582556 counting only the distinct ones).

The product of its digits is 181440, while the sum is 43.

Adding to 28576311316 its reverse (61311367582), we get a palindrome (89887678898).

The spelling of 28576311316 in words is "twenty-eight billion, five hundred seventy-six million, three hundred eleven thousand, three hundred sixteen".