627663904 has 48 divisors (see below), whose sum is σ = 1417868928. Its totient is φ = 267927552.

The previous prime is 627663901. The next prime is 627663923. The reversal of 627663904 is 409366726.

It is not an unprimeable number, because it can be changed into a prime (627663901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52117 + ... + 63019.

It is an arithmetic number, because the mean of its divisors is an integer number (29538936).

Almost surely, 2^627663904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 627663904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (708934464).

627663904 is an abundant number, since it is smaller than the sum of its proper divisors (790205024).

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

627663904 is a wasteful number, since it uses less digits than its factorization.

627663904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11177 (or 11169 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 43.

The square root of 627663904 is about 25053.2214295887. The cubic root of 627663904 is about 856.2009747341.

The spelling of 627663904 in words is "six hundred twenty-seven million, six hundred sixty-three thousand, nine hundred four".