627650663 has 4 divisors (see below), whose sum is σ = 633865128. Its totient is φ = 621436200.

The previous prime is 627650609. The next prime is 627650669. The reversal of 627650663 is 366056726.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 627650663 - 2⁶ = 627650599 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 627650663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (627650669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3107081 + ... + 3107282.

It is an arithmetic number, because the mean of its divisors is an integer number (158466282).

Almost surely, 2^627650663 is an apocalyptic number.

627650663 is a deficient number, since it is larger than the sum of its proper divisors (6214465).

627650663 is a wasteful number, since it uses less digits than its factorization.

627650663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6214464.

The product of its (nonzero) digits is 272160, while the sum is 41.

The square root of 627650663 is about 25052.9571707613. The cubic root of 627650663 is about 856.1949539764.

The spelling of 627650663 in words is "six hundred twenty-seven million, six hundred fifty thousand, six hundred sixty-three".