27768528364 has 12 divisors (see below), whose sum is σ = 48604790304. Its totient is φ = 13881445424.

The previous prime is 27768528353. The next prime is 27768528373. The reversal of 27768528364 is 46382586772.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 27768528299 and 27768528308.

It is an unprimeable number.

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, 682447 + ... + 721990.

It is an arithmetic number, because the mean of its divisors is an integer number (4050399192).

Almost surely, 2^27768528364 is an apocalyptic number.

It is an amenable number.

27768528364 is a deficient number, since it is larger than the sum of its proper divisors (20836261940).

27768528364 is a wasteful number, since it uses less digits than its factorization.

27768528364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1409384 (or 1409382 counting only the distinct ones).

The product of its digits is 27095040, while the sum is 58.

The spelling of 27768528364 in words is "twenty-seven billion, seven hundred sixty-eight million, five hundred twenty-eight thousand, three hundred sixty-four".