27068905768 has 16 divisors (see below), whose sum is σ = 51256716660. Its totient is φ = 13400448000.

The previous prime is 27068905757. The next prime is 27068905777. The reversal of 27068905768 is 86750986072.

It can be written as a sum of positive squares in 2 ways, for example, as 21993483204 + 5075422564 = 148302^2 + 71242^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16749753 + ... + 16751368.

Almost surely, 2^27068905768 is an apocalyptic number.

It is an amenable number.

27068905768 is a deficient number, since it is larger than the sum of its proper divisors (24187810892).

27068905768 is a wasteful number, since it uses less digits than its factorization.

27068905768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33501228 (or 33501224 counting only the distinct ones).

The product of its (nonzero) digits is 10160640, while the sum is 58.

The spelling of 27068905768 in words is "twenty-seven billion, sixty-eight million, nine hundred five thousand, seven hundred sixty-eight".