28685083288 has 16 divisors (see below), whose sum is σ = 53901207360. Its totient is φ = 14311428000.

The previous prime is 28685083267. The next prime is 28685083319. The reversal of 28685083288 is 88238058682.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 3885288 + ... + 3892663.

It is an arithmetic number, because the mean of its divisors is an integer number (3368825460).

Almost surely, 2^28685083288 is an apocalyptic number.

It is an amenable number.

28685083288 is a deficient number, since it is larger than the sum of its proper divisors (25216124072).

28685083288 is a wasteful number, since it uses less digits than its factorization.

28685083288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7778418 (or 7778414 counting only the distinct ones).

The product of its (nonzero) digits is 11796480, while the sum is 58.

The spelling of 28685083288 in words is "twenty-eight billion, six hundred eighty-five million, eighty-three thousand, two hundred eighty-eight".