27613666755 has 12 divisors (see below), whose sum is σ = 47863689120. Its totient is φ = 14727288912.

The previous prime is 27613666723. The next prime is 27613666811. The reversal of 27613666755 is 55766631672.

It is not a de Polignac number, because 27613666755 - 2⁵ = 27613666723 is a prime.

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, 306818475 + ... + 306818564.

It is an arithmetic number, because the mean of its divisors is an integer number (3988640760).

Almost surely, 2^27613666755 is an apocalyptic number.

27613666755 is a deficient number, since it is larger than the sum of its proper divisors (20250022365).

27613666755 is a wasteful number, since it uses less digits than its factorization.

27613666755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613637050 (or 613637047 counting only the distinct ones).

The product of its digits is 9525600, while the sum is 54.

The spelling of 27613666755 in words is "twenty-seven billion, six hundred thirteen million, six hundred sixty-six thousand, seven hundred fifty-five".