27305170912 has 96 divisors (see below), whose sum is σ = 57963548160. Its totient is φ = 12630858240.

The previous prime is 27305170873. The next prime is 27305170943. The reversal of 27305170912 is 21907150372.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2764639 + ... + 2774497.

It is an arithmetic number, because the mean of its divisors is an integer number (603786960).

Almost surely, 2^27305170912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27305170912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28981774080).

27305170912 is an abundant number, since it is smaller than the sum of its proper divisors (30658377248).

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

27305170912 is a wasteful number, since it uses less digits than its factorization.

27305170912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10016 (or 10008 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 37.

The spelling of 27305170912 in words is "twenty-seven billion, three hundred five million, one hundred seventy thousand, nine hundred twelve".