28550008504 has 16 divisors (see below), whose sum is σ = 53885779920. Its totient is φ = 14180467200.

The previous prime is 28550008457. The next prime is 28550008517. The reversal of 28550008504 is 40580005582.

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 3 ways as a sum of consecutive naturals, for example, 11815849 + ... + 11818264.

It is an arithmetic number, because the mean of its divisors is an integer number (3367861245).

Almost surely, 2^28550008504 is an apocalyptic number.

It is an amenable number.

28550008504 is a deficient number, since it is larger than the sum of its proper divisors (25335771416).

28550008504 is a wasteful number, since it uses less digits than its factorization.

28550008504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23634270 (or 23634266 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 37.

The spelling of 28550008504 in words is "twenty-eight billion, five hundred fifty million, eight thousand, five hundred four".