627764983 has 2 divisors, whose sum is σ = 627764984. Its totient is φ = 627764982.

The previous prime is 627764941. The next prime is 627764989. The reversal of 627764983 is 389467726.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 627764983 - 2⁹ = 627764471 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 627764983.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (627764989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 313882491 + 313882492.

It is an arithmetic number, because the mean of its divisors is an integer number (313882492).

Almost surely, 2^627764983 is an apocalyptic number.

627764983 is a deficient number, since it is larger than the sum of its proper divisors (1).

627764983 is an equidigital number, since it uses as much as digits as its factorization.

627764983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3048192, while the sum is 52.

The square root of 627764983 is about 25055.2386338666. The cubic root of 627764983 is about 856.2469331376.

The spelling of 627764983 in words is "six hundred twenty-seven million, seven hundred sixty-four thousand, nine hundred eighty-three".