628630782382 has 16 divisors (see below), whose sum is σ = 961815051504. Its totient is φ = 308062440000.

The previous prime is 628630782379. The next prime is 628630782391. The reversal of 628630782382 is 283287036826.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 9134244 + ... + 9202807.

It is an arithmetic number, because the mean of its divisors is an integer number (60113440719).

Almost surely, 2^628630782382 is an apocalyptic number.

628630782382 is a deficient number, since it is larger than the sum of its proper divisors (333184269122).

628630782382 is a wasteful number, since it uses less digits than its factorization.

628630782382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18337395.

The product of its (nonzero) digits is 9289728, while the sum is 55.

The spelling of 628630782382 in words is "six hundred twenty-eight billion, six hundred thirty million, seven hundred eighty-two thousand, three hundred eighty-two".