627889648609 has 16 divisors (see below), whose sum is σ = 662981760000. Its totient is φ = 593002857600.

The previous prime is 627889648591. The next prime is 627889648651. The reversal of 627889648609 is 906846988726.

It is a cyclic number.

It is not a de Polignac number, because 627889648609 - 2¹⁵ = 627889615841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (627889648699) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40368384 + ... + 40383934.

It is an arithmetic number, because the mean of its divisors is an integer number (41436360000).

Almost surely, 2^627889648609 is an apocalyptic number.

It is an amenable number.

627889648609 is a deficient number, since it is larger than the sum of its proper divisors (35092111391).

627889648609 is a wasteful number, since it uses less digits than its factorization.

627889648609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22008.

The product of its (nonzero) digits is 501645312, while the sum is 73.

The spelling of 627889648609 in words is "six hundred twenty-seven billion, eight hundred eighty-nine million, six hundred forty-eight thousand, six hundred nine".