28143755300 has 36 divisors (see below), whose sum is σ = 61135055856. Its totient is φ = 11245869600.

The previous prime is 28143755209. The next prime is 28143755317. The reversal of 28143755300 is 355734182.

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 11 ways as a sum of consecutive naturals, for example, 47822 + ... + 242021.

It is an arithmetic number, because the mean of its divisors is an integer number (1698195996).

Almost surely, 2^28143755300 is an apocalyptic number.

28143755300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28143755300 is an abundant number, since it is smaller than the sum of its proper divisors (32991300556).

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

28143755300 is a wasteful number, since it uses less digits than its factorization.

28143755300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290828 (or 290821 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 38.

The spelling of 28143755300 in words is "twenty-eight billion, one hundred forty-three million, seven hundred fifty-five thousand, three hundred".