28643086024 has 24 divisors (see below), whose sum is σ = 62474078790. Its totient is φ = 12275608128.

The previous prime is 28643086001. The next prime is 28643086039. The reversal of 28643086024 is 42068034682.

It can be written as a sum of positive squares in only one way, i.e., 27000405124 + 1642680900 = 164318^2 + 40530^2 .

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 5 ways as a sum of consecutive naturals, for example, 36534157 + ... + 36534940.

Almost surely, 2^28643086024 is an apocalyptic number.

It is an amenable number.

28643086024 is an abundant number, since it is smaller than the sum of its proper divisors (33830992766).

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

28643086024 is a wasteful number, since it uses less digits than its factorization.

28643086024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73069117 (or 73069106 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 43.

The spelling of 28643086024 in words is "twenty-eight billion, six hundred forty-three million, eighty-six thousand, twenty-four".