27666911777676 has 12 divisors (see below), whose sum is σ = 64556127481272. Its totient is φ = 9222303925888.

The previous prime is 27666911777651. The next prime is 27666911777677. The reversal of 27666911777676 is 67677711966672.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (27666911777677) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1152787990725 + ... + 1152787990748.

It is an arithmetic number, because the mean of its divisors is an integer number (5379677290106).

Almost surely, 2^{27666911777676} is an apocalyptic number.

It is an amenable number.

27666911777676 is an abundant number, since it is smaller than the sum of its proper divisors (36889215703596).

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

27666911777676 is a wasteful number, since it uses less digits than its factorization.

27666911777676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2305575981480 (or 2305575981478 counting only the distinct ones).

The product of its digits is 2352442176, while the sum is 78.

The spelling of 27666911777676 in words is "twenty-seven trillion, six hundred sixty-six billion, nine hundred eleven million, seven hundred seventy-seven thousand, six hundred seventy-six".