28750535008 has 24 divisors (see below), whose sum is σ = 60956664048. Its totient is φ = 13269477504.

The previous prime is 28750534987. The next prime is 28750535041. The reversal of 28750535008 is 80053505782.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34555516 + ... + 34556347.

It is an arithmetic number, because the mean of its divisors is an integer number (2539861002).

Almost surely, 2^28750535008 is an apocalyptic number.

It is an amenable number.

28750535008 is an abundant number, since it is smaller than the sum of its proper divisors (32206129040).

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

28750535008 is a wasteful number, since it uses less digits than its factorization.

28750535008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69111886 (or 69111878 counting only the distinct ones).

The product of its (nonzero) digits is 336000, while the sum is 43.

The spelling of 28750535008 in words is "twenty-eight billion, seven hundred fifty million, five hundred thirty-five thousand, eight".