27255287881066 has 32 divisors (see below), whose sum is σ = 49472181665280. Its totient is φ = 10993640983296.

The previous prime is 27255287881039. The next prime is 27255287881121. The reversal of 27255287881066 is 66018878255272.

It is a super-2 number, since 2×27255287881066² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 27255287880992 and 27255287881010.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34782495 + ... + 35557453.

It is an arithmetic number, because the mean of its divisors is an integer number (1546005677040).

Almost surely, 2^{27255287881066} is an apocalyptic number.

27255287881066 is a deficient number, since it is larger than the sum of its proper divisors (22216893784214).

27255287881066 is a wasteful number, since it uses less digits than its factorization.

27255287881066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 922758.

The product of its (nonzero) digits is 180633600, while the sum is 67.

The spelling of 27255287881066 in words is "twenty-seven trillion, two hundred fifty-five billion, two hundred eighty-seven million, eight hundred eighty-one thousand, sixty-six".