628788632 has 16 divisors (see below), whose sum is σ = 1190426640. Its totient is φ = 311341536.

The previous prime is 628788631. The next prime is 628788659. The reversal of 628788632 is 236887826.

628788632 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (628788631) 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, 380723 + ... + 382370.

It is an arithmetic number, because the mean of its divisors is an integer number (74401665).

Almost surely, 2^628788632 is an apocalyptic number.

It is an amenable number.

628788632 is a deficient number, since it is larger than the sum of its proper divisors (561638008).

628788632 is a wasteful number, since it uses less digits than its factorization.

628788632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 763202 (or 763198 counting only the distinct ones).

The product of its digits is 1548288, while the sum is 50.

The square root of 628788632 is about 25075.6581568660. The cubic root of 628788632 is about 856.7120861591.

The spelling of 628788632 in words is "six hundred twenty-eight million, seven hundred eighty-eight thousand, six hundred thirty-two".