27750530000 has 100 divisors (see below), whose sum is σ = 67410396768. Its totient is φ = 11063280000.

The previous prime is 27750529999. The next prime is 27750530029. The reversal of 27750530000 is 3505772.

It is a tau number, because it is divible by the number of its divisors (100).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3105539 + ... + 3114461.

Almost surely, 2^27750530000 is an apocalyptic number.

27750530000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27750530000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33705198384).

27750530000 is an abundant number, since it is smaller than the sum of its proper divisors (39659866768).

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

27750530000 is an equidigital number, since it uses as much as digits as its factorization.

27750530000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9262 (or 9241 counting only the distinct ones).

The product of its (nonzero) digits is 7350, while the sum is 29.

The spelling of 27750530000 in words is "twenty-seven billion, seven hundred fifty million, five hundred thirty thousand".