27755785639344 has 40 divisors (see below), whose sum is σ = 81945652840960. Its totient is φ = 7930224468288.

The previous prime is 27755785639333. The next prime is 27755785639357. The reversal of 27755785639344 is 44393658755772.

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, 41303252104 + ... + 41303252775.

It is an arithmetic number, because the mean of its divisors is an integer number (2048641321024).

Almost surely, 2^{27755785639344} is an apocalyptic number.

27755785639344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

27755785639344 is an abundant number, since it is smaller than the sum of its proper divisors (54189867201616).

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

27755785639344 is a wasteful number, since it uses less digits than its factorization.

27755785639344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82606504897 (or 82606504891 counting only the distinct ones).

The product of its digits is 5334336000, while the sum is 75.

The spelling of 27755785639344 in words is "twenty-seven trillion, seven hundred fifty-five billion, seven hundred eighty-five million, six hundred thirty-nine thousand, three hundred forty-four".