27730389696 has 112 divisors (see below), whose sum is σ = 74601324000. Its totient is φ = 9089114112.

The previous prime is 27730389679. The next prime is 27730389721. The reversal of 27730389696 is 69698303772.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4888750 + ... + 4894418.

It is an arithmetic number, because the mean of its divisors is an integer number (666083250).

Almost surely, 2^27730389696 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 27730389696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37300662000).

27730389696 is an abundant number, since it is smaller than the sum of its proper divisors (46870934304).

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

27730389696 is a wasteful number, since it uses less digits than its factorization.

27730389696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6106 (or 6096 counting only the distinct ones).

The product of its (nonzero) digits is 20575296, while the sum is 60.

The spelling of 27730389696 in words is "twenty-seven billion, seven hundred thirty million, three hundred eighty-nine thousand, six hundred ninety-six".