27783608382 has 24 divisors (see below), whose sum is σ = 63366125160. Its totient is φ = 8773770960.

The previous prime is 27783608353. The next prime is 27783608383. The reversal of 27783608382 is 28380638772.

27783608382 is a `hidden beast` number, since 27 + 7 + 8 + 3 + 608 + 3 + 8 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27783608383) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40618969 + ... + 40619652.

It is an arithmetic number, because the mean of its divisors is an integer number (2640255215).

Almost surely, 2^27783608382 is an apocalyptic number.

27783608382 is an abundant number, since it is smaller than the sum of its proper divisors (35582516778).

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

27783608382 is a wasteful number, since it uses less digits than its factorization.

27783608382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81238648 (or 81238645 counting only the distinct ones).

The product of its (nonzero) digits is 5419008, while the sum is 54.

The spelling of 27783608382 in words is "twenty-seven billion, seven hundred eighty-three million, six hundred eight thousand, three hundred eighty-two".