627397117 has 4 divisors (see below), whose sum is σ = 631976796. Its totient is φ = 622817440.

The previous prime is 627397097. The next prime is 627397163. The reversal of 627397117 is 711793726.

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

It can be written as a sum of positive squares in 2 ways, for example, as 524455801 + 102941316 = 22901^2 + 10146^2 .

It is a cyclic number.

It is not a de Polignac number, because 627397117 - 2⁷ = 627396989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (627397217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2289634 + ... + 2289907.

It is an arithmetic number, because the mean of its divisors is an integer number (157994199).

Almost surely, 2^627397117 is an apocalyptic number.

It is an amenable number.

627397117 is a deficient number, since it is larger than the sum of its proper divisors (4579679).

627397117 is a wasteful number, since it uses less digits than its factorization.

627397117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4579678.

The product of its digits is 111132, while the sum is 43.

The square root of 627397117 is about 25047.8964585851. The cubic root of 627397117 is about 856.0796488359.

The spelling of 627397117 in words is "six hundred twenty-seven million, three hundred ninety-seven thousand, one hundred seventeen".