28851460688 has 20 divisors (see below), whose sum is σ = 56192379648. Its totient is φ = 14350201440.

The previous prime is 28851460681. The next prime is 28851460709. The reversal of 28851460688 is 88606415882.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28851460681) by changing a digit.

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, 4717406 + ... + 4723517.

Almost surely, 2^28851460688 is an apocalyptic number.

It is an amenable number.

28851460688 is a deficient number, since it is larger than the sum of its proper divisors (27340918960).

28851460688 is a wasteful number, since it uses less digits than its factorization.

28851460688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9441122 (or 9441116 counting only the distinct ones).

The product of its (nonzero) digits is 5898240, while the sum is 56.

The spelling of 28851460688 in words is "twenty-eight billion, eight hundred fifty-one million, four hundred sixty thousand, six hundred eighty-eight".