27739430912 has 112 divisors (see below), whose sum is σ = 60289440000. Its totient is φ = 12713656320.

The previous prime is 27739430897. The next prime is 27739430921. The reversal of 27739430912 is 21903493772.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4822214 + ... + 4827962.

Almost surely, 2^27739430912 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 27739430912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30144720000).

27739430912 is an abundant number, since it is smaller than the sum of its proper divisors (32550009088).

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

27739430912 is an equidigital number, since it uses as much as digits as its factorization.

27739430912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5825 (or 5801 counting only the distinct ones).

The product of its (nonzero) digits is 571536, while the sum is 47.

The spelling of 27739430912 in words is "twenty-seven billion, seven hundred thirty-nine million, four hundred thirty thousand, nine hundred twelve".