27775252844 has 12 divisors (see below), whose sum is σ = 48617508744. Its totient is φ = 13884536064.

The previous prime is 27775252819. The next prime is 27775252849. The reversal of 27775252844 is 44825257772.

It is not an unprimeable number, because it can be changed into a prime (27775252849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 752309 + ... + 788364.

It is an arithmetic number, because the mean of its divisors is an integer number (4051459062).

Almost surely, 2^27775252844 is an apocalyptic number.

It is an amenable number.

27775252844 is a deficient number, since it is larger than the sum of its proper divisors (20842255900).

27775252844 is a wasteful number, since it uses less digits than its factorization.

27775252844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1545184 (or 1545182 counting only the distinct ones).

The product of its digits is 8780800, while the sum is 53.

The spelling of 27775252844 in words is "twenty-seven billion, seven hundred seventy-five million, two hundred fifty-two thousand, eight hundred forty-four".