28382509557700 has 72 divisors (see below), whose sum is σ = 61743742092032. Its totient is φ = 11324693306880.

The previous prime is 28382509557667. The next prime is 28382509557769. The reversal of 28382509557700 is 775590528382.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 111249484 + ... + 111504316.

Almost surely, 2^{28382509557700} is an apocalyptic number.

28382509557700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28382509557700 is an abundant number, since it is smaller than the sum of its proper divisors (33361232534332).

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

28382509557700 is a wasteful number, since it uses less digits than its factorization.

28382509557700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257621 (or 257614 counting only the distinct ones).

The product of its (nonzero) digits is 42336000, while the sum is 61.

The spelling of 28382509557700 in words is "twenty-eight trillion, three hundred eighty-two billion, five hundred nine million, five hundred fifty-seven thousand, seven hundred".