27773344382 has 16 divisors (see below), whose sum is σ = 47643373152. Its totient is φ = 11894880480.

The previous prime is 27773344369. The next prime is 27773344439. The reversal of 27773344382 is 28344337772.

It is a super-2 number, since 2×27773344382² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 27773344382.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 643469 + ... + 685272.

It is an arithmetic number, because the mean of its divisors is an integer number (2977710822).

Almost surely, 2^27773344382 is an apocalyptic number.

27773344382 is a deficient number, since it is larger than the sum of its proper divisors (19870028770).

27773344382 is a wasteful number, since it uses less digits than its factorization.

27773344382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1330243.

The product of its digits is 4741632, while the sum is 50.

The spelling of 27773344382 in words is "twenty-seven billion, seven hundred seventy-three million, three hundred forty-four thousand, three hundred eighty-two".