27796239936 has 140 divisors (see below), whose sum is σ = 84624286428. Its totient is φ = 9014934528.

The previous prime is 27796239923. The next prime is 27796239959. The reversal of 27796239936 is 63993269772.

It can be written as a sum of positive squares in 2 ways, for example, as 24478479936 + 3317760000 = 156456^2 + 57600^2 .

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, 119350 + ... + 264266.

Almost surely, 2^27796239936 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 27796239936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42312143214).

27796239936 is an abundant number, since it is smaller than the sum of its proper divisors (56828046492).

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

27796239936 is a wasteful number, since it uses less digits than its factorization.

27796239936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144978 (or 144959 counting only the distinct ones).

The product of its digits is 46294416, while the sum is 63.

The spelling of 27796239936 in words is "twenty-seven billion, seven hundred ninety-six million, two hundred thirty-nine thousand, nine hundred thirty-six".