627420871 has 16 divisors (see below), whose sum is σ = 784592640. Its totient is φ = 487428480.

The previous prime is 627420851. The next prime is 627420881. The reversal of 627420871 is 178024726.

It is not a de Polignac number, because 627420871 - 2⁷ = 627420743 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 627420871.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (627420851) 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 15 ways as a sum of consecutive naturals, for example, 13860 + ... + 38038.

It is an arithmetic number, because the mean of its divisors is an integer number (49037040).

Almost surely, 2^627420871 is an apocalyptic number.

627420871 is a deficient number, since it is larger than the sum of its proper divisors (157171769).

627420871 is a wasteful number, since it uses less digits than its factorization.

627420871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24534.

The product of its (nonzero) digits is 37632, while the sum is 37.

The square root of 627420871 is about 25048.3706256515. The cubic root of 627420871 is about 856.0904527636.

The spelling of 627420871 in words is "six hundred twenty-seven million, four hundred twenty thousand, eight hundred seventy-one".