28526484856 has 32 divisors (see below), whose sum is σ = 53627567760. Its totient is φ = 14225847552.

The previous prime is 28526484821. The next prime is 28526484869. The reversal of 28526484856 is 65848462582.

It is a self number, because there is not a number n which added to its sum of digits gives 28526484856.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 7893706 + ... + 7897318.

Almost surely, 2^28526484856 is an apocalyptic number.

It is an amenable number.

28526484856 is a deficient number, since it is larger than the sum of its proper divisors (25101082904).

28526484856 is a wasteful number, since it uses less digits than its factorization.

28526484856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5935 (or 5931 counting only the distinct ones).

The product of its digits is 29491200, while the sum is 58.

The spelling of 28526484856 in words is "twenty-eight billion, five hundred twenty-six million, four hundred eighty-four thousand, eight hundred fifty-six".