27685168608 has 48 divisors (see below), whose sum is σ = 72705623760. Its totient is φ = 9224318976.

The previous prime is 27685168601. The next prime is 27685168613. The reversal of 27685168608 is 80686158672.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27685168601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159216 + ... + 284112.

It is an arithmetic number, because the mean of its divisors is an integer number (1514700495).

Almost surely, 2^27685168608 is an apocalyptic number.

It is an amenable number.

27685168608 is an abundant number, since it is smaller than the sum of its proper divisors (45020455152).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27685168608 is a wasteful number, since it uses less digits than its factorization.

27685168608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127219 (or 127211 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 57.

The spelling of 27685168608 in words is "twenty-seven billion, six hundred eighty-five million, one hundred sixty-eight thousand, six hundred eight".