627666056 has 24 divisors (see below), whose sum is σ = 1184539230. Its totient is φ = 311802048.

The previous prime is 627666043. The next prime is 627666077. The reversal of 627666056 is 650666726.

It can be written as a sum of positive squares in only one way, i.e., 449016100 + 178649956 = 21190^2 + 13366^2 .

It is a junction number, because it is equal to n+sod(n) for n = 627665998 and 627666016.

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 5 ways as a sum of consecutive naturals, for example, 211076 + ... + 214028.

Almost surely, 2^627666056 is an apocalyptic number.

It is an amenable number.

627666056 is a deficient number, since it is larger than the sum of its proper divisors (556873174).

627666056 is a wasteful number, since it uses less digits than its factorization.

627666056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3285 (or 3118 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 44.

The square root of 627666056 is about 25053.2643781205. The cubic root of 627666056 is about 856.2019532526.

The spelling of 627666056 in words is "six hundred twenty-seven million, six hundred sixty-six thousand, fifty-six".