27768385504 has 12 divisors (see below), whose sum is σ = 54669009024. Its totient is φ = 13884192736.

The previous prime is 27768385471. The next prime is 27768385549. The reversal of 27768385504 is 40558386772.

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 as a sum of consecutive naturals, namely, 433880992 + ... + 433881055.

It is an arithmetic number, because the mean of its divisors is an integer number (4555750752).

Almost surely, 2^27768385504 is an apocalyptic number.

It is an amenable number.

27768385504 is a deficient number, since it is larger than the sum of its proper divisors (26900623520).

27768385504 is an equidigital number, since it uses as much as digits as its factorization.

27768385504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 867762057 (or 867762049 counting only the distinct ones).

The product of its (nonzero) digits is 11289600, while the sum is 55.

The spelling of 27768385504 in words is "twenty-seven billion, seven hundred sixty-eight million, three hundred eighty-five thousand, five hundred four".