27726706766 has 16 divisors (see below), whose sum is σ = 45374570928. Its totient is φ = 12602049600.

The previous prime is 27726706753. The next prime is 27726706769. The reversal of 27726706766 is 66760762772.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27726706769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 283346 + ... + 368426.

It is an arithmetic number, because the mean of its divisors is an integer number (2835910683).

Almost surely, 2^27726706766 is an apocalyptic number.

27726706766 is a deficient number, since it is larger than the sum of its proper divisors (17647864162).

27726706766 is a wasteful number, since it uses less digits than its factorization.

27726706766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99907.

The product of its (nonzero) digits is 12446784, while the sum is 56.

The spelling of 27726706766 in words is "twenty-seven billion, seven hundred twenty-six million, seven hundred six thousand, seven hundred sixty-six".