27995841792 has 108 divisors (see below), whose sum is σ = 80978887444. Its totient is φ = 9301893120.

The previous prime is 27995841751. The next prime is 27995841793. The reversal of 27995841792 is 29714859972.

It can be written as a sum of positive squares in 2 ways, for example, as 6181733376 + 21814108416 = 78624^2 + 147696^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27995841793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 701742 + ... + 740562.

Almost surely, 2^27995841792 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 27995841792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40489443722).

27995841792 is an abundant number, since it is smaller than the sum of its proper divisors (52983045652).

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

27995841792 is a wasteful number, since it uses less digits than its factorization.

27995841792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39156 (or 39139 counting only the distinct ones).

The product of its digits is 22861440, while the sum is 63.

The spelling of 27995841792 in words is "twenty-seven billion, nine hundred ninety-five million, eight hundred forty-one thousand, seven hundred ninety-two".