28568936503 has 8 divisors (see below), whose sum is σ = 30885337520. Its totient is φ = 26333812800.

The previous prime is 28568936491. The next prime is 28568936537. The reversal of 28568936503 is 30563986582.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28568936503 - 2²⁹ = 28032065591 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28568936563) 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 7 ways as a sum of consecutive naturals, for example, 20318598 + ... + 20320003.

It is an arithmetic number, because the mean of its divisors is an integer number (3860667190).

Almost surely, 2^28568936503 is an apocalyptic number.

28568936503 is a deficient number, since it is larger than the sum of its proper divisors (2316401017).

28568936503 is a wasteful number, since it uses less digits than its factorization.

28568936503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40638657.

The product of its (nonzero) digits is 9331200, while the sum is 55.

The spelling of 28568936503 in words is "twenty-eight billion, five hundred sixty-eight million, nine hundred thirty-six thousand, five hundred three".