28285695268 has 12 divisors (see below), whose sum is σ = 49501186560. Its totient is φ = 14142499112.

The previous prime is 28285695233. The next prime is 28285695271. The reversal of 28285695268 is 86259658282.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 202305 + ... + 312247.

It is an arithmetic number, because the mean of its divisors is an integer number (4125098880).

Almost surely, 2^28285695268 is an apocalyptic number.

It is an amenable number.

28285695268 is a deficient number, since it is larger than the sum of its proper divisors (21215491292).

28285695268 is a wasteful number, since it uses less digits than its factorization.

28285695268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174266 (or 174264 counting only the distinct ones).

The product of its digits is 33177600, while the sum is 61.

The spelling of 28285695268 in words is "twenty-eight billion, two hundred eighty-five million, six hundred ninety-five thousand, two hundred sixty-eight".