28753611850 has 12 divisors (see below), whose sum is σ = 53481718134. Its totient is φ = 11501444720.

The previous prime is 28753611811. The next prime is 28753611871. The reversal of 28753611850 is 5811635782.

It can be written as a sum of positive squares in 3 ways, for example, as 22057299289 + 6696312561 = 148517^2 + 81831^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 28753611850.

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, 287536069 + ... + 287536168.

Almost surely, 2^28753611850 is an apocalyptic number.

28753611850 is a deficient number, since it is larger than the sum of its proper divisors (24728106284).

28753611850 is a wasteful number, since it uses less digits than its factorization.

28753611850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575072249 (or 575072244 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 46.

The spelling of 28753611850 in words is "twenty-eight billion, seven hundred fifty-three million, six hundred eleven thousand, eight hundred fifty".