28753423912 has 32 divisors (see below), whose sum is σ = 55021809600. Its totient is φ = 14082678400.

The previous prime is 28753423901. The next prime is 28753423913. The reversal of 28753423912 is 21932435782.

It is not an unprimeable number, because it can be changed into a prime (28753423913) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24237 + ... + 241027.

It is an arithmetic number, because the mean of its divisors is an integer number (1719431550).

Almost surely, 2^28753423912 is an apocalyptic number.

It is an amenable number.

28753423912 is a deficient number, since it is larger than the sum of its proper divisors (26268385688).

28753423912 is a wasteful number, since it uses less digits than its factorization.

28753423912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217137 (or 217133 counting only the distinct ones).

The product of its digits is 725760, while the sum is 46.

The spelling of 28753423912 in words is "twenty-eight billion, seven hundred fifty-three million, four hundred twenty-three thousand, nine hundred twelve".