627403665668 has 12 divisors (see below), whose sum is σ = 1182414600780. Its totient is φ = 289570922592.

The previous prime is 627403665667. The next prime is 627403665703. The reversal of 627403665668 is 866566304726.

It can be written as a sum of positive squares in 2 ways, for example, as 50399352004 + 577004313664 = 224498^2 + 759608^2 .

It is not an unprimeable number, because it can be changed into a prime (627403665667) 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, 6032727503 + ... + 6032727606.

It is an arithmetic number, because the mean of its divisors is an integer number (98534550065).

Almost surely, 2^627403665668 is an apocalyptic number.

It is an amenable number.

627403665668 is a deficient number, since it is larger than the sum of its proper divisors (555010935112).

627403665668 is a wasteful number, since it uses less digits than its factorization.

627403665668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12065455126 (or 12065455124 counting only the distinct ones).

The product of its (nonzero) digits is 52254720, while the sum is 59.

The spelling of 627403665668 in words is "six hundred twenty-seven billion, four hundred three million, six hundred sixty-five thousand, six hundred sixty-eight".