27427629066 has 32 divisors (see below), whose sum is σ = 55688905728. Its totient is φ = 9003675120.

The previous prime is 27427629059. The next prime is 27427629091. The reversal of 27427629066 is 66092672472.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2096341 + ... + 2109383.

It is an arithmetic number, because the mean of its divisors is an integer number (1740278304).

Almost surely, 2^27427629066 is an apocalyptic number.

27427629066 is an abundant number, since it is smaller than the sum of its proper divisors (28261276662).

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

27427629066 is a wasteful number, since it uses less digits than its factorization.

27427629066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18346.

The product of its (nonzero) digits is 3048192, while the sum is 51.

The spelling of 27427629066 in words is "twenty-seven billion, four hundred twenty-seven million, six hundred twenty-nine thousand, sixty-six".