628770763 has 2 divisors, whose sum is σ = 628770764. Its totient is φ = 628770762.

The previous prime is 628770761. The next prime is 628770773. The reversal of 628770763 is 367077826.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 628770763 - 2¹ = 628770761 is a prime.

Together with 628770761, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (628770761) 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 as a sum of consecutive naturals, namely, 314385381 + 314385382.

It is an arithmetic number, because the mean of its divisors is an integer number (314385382).

Almost surely, 2^628770763 is an apocalyptic number.

628770763 is a deficient number, since it is larger than the sum of its proper divisors (1).

628770763 is an equidigital number, since it uses as much as digits as its factorization.

628770763 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 592704, while the sum is 46.

The square root of 628770763 is about 25075.3018526198. The cubic root of 628770763 is about 856.7039706958.

The spelling of 628770763 in words is "six hundred twenty-eight million, seven hundred seventy thousand, seven hundred sixty-three".