27773876821144 has 32 divisors (see below), whose sum is σ = 53461884500640. Its totient is φ = 13518843731200.

The previous prime is 27773876821127. The next prime is 27773876821157. The reversal of 27773876821144 is 44112867837772.

It is a self number, because there is not a number n which added to its sum of digits gives 27773876821144.

It is a congruent number.

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, 91688764 + ... + 91991179.

It is an arithmetic number, because the mean of its divisors is an integer number (1670683890645).

Almost surely, 2^{27773876821144} is an apocalyptic number.

It is an amenable number.

27773876821144 is a deficient number, since it is larger than the sum of its proper divisors (25688007679496).

27773876821144 is a wasteful number, since it uses less digits than its factorization.

27773876821144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183680451 (or 183680447 counting only the distinct ones).

The product of its digits is 177020928, while the sum is 67.

The spelling of 27773876821144 in words is "twenty-seven trillion, seven hundred seventy-three billion, eight hundred seventy-six million, eight hundred twenty-one thousand, one hundred forty-four".