28285283512 has 16 divisors (see below), whose sum is σ = 53560006200. Its totient is φ = 14002615200.

The previous prime is 28285283503. The next prime is 28285283569. The reversal of 28285283512 is 21538258282.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17502462 + ... + 17504077.

Almost surely, 2^28285283512 is an apocalyptic number.

It is an amenable number.

28285283512 is a deficient number, since it is larger than the sum of its proper divisors (25274722688).

28285283512 is a wasteful number, since it uses less digits than its factorization.

28285283512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35006646 (or 35006642 counting only the distinct ones).

The product of its digits is 614400, while the sum is 46.

The spelling of 28285283512 in words is "twenty-eight billion, two hundred eighty-five million, two hundred eighty-three thousand, five hundred twelve".