28840755800 has 24 divisors (see below), whose sum is σ = 67054757700. Its totient is φ = 11536302240.

The previous prime is 28840755773. The next prime is 28840755847. The reversal of 28840755800 is 855704882.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 72101690 + ... + 72102089.

Almost surely, 2^28840755800 is an apocalyptic number.

28840755800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28840755800 is an abundant number, since it is smaller than the sum of its proper divisors (38214001900).

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

28840755800 is a wasteful number, since it uses less digits than its factorization.

28840755800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144203795 (or 144203786 counting only the distinct ones).

The product of its (nonzero) digits is 716800, while the sum is 47.

The spelling of 28840755800 in words is "twenty-eight billion, eight hundred forty million, seven hundred fifty-five thousand, eight hundred".