27608168745 has 12 divisors (see below), whose sum is σ = 47854159236. Its totient is φ = 14724356640.

The previous prime is 27608168699. The next prime is 27608168771. The reversal of 27608168745 is 54786180672.

27608168745 is a `hidden beast` number, since 27 + 608 + 1 + 6 + 8 + 7 + 4 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 15866929296 + 11741239449 = 125964^2 + 108357^2 .

It is not a de Polignac number, because 27608168745 - 2⁷ = 27608168617 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27608168691 and 27608168700.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 306757386 + ... + 306757475.

It is an arithmetic number, because the mean of its divisors is an integer number (3987846603).

Almost surely, 2^27608168745 is an apocalyptic number.

It is an amenable number.

27608168745 is a deficient number, since it is larger than the sum of its proper divisors (20245990491).

27608168745 is a wasteful number, since it uses less digits than its factorization.

27608168745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613514872 (or 613514869 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 54.

The spelling of 27608168745 in words is "twenty-seven billion, six hundred eight million, one hundred sixty-eight thousand, seven hundred forty-five".