628601768 has 16 divisors (see below), whose sum is σ = 1181036160. Its totient is φ = 313658800.

The previous prime is 628601737. The next prime is 628601773. The reversal of 628601768 is 867106826.

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 3 ways as a sum of consecutive naturals, for example, 76088 + ... + 83943.

It is an arithmetic number, because the mean of its divisors is an integer number (73814760).

Almost surely, 2^628601768 is an apocalyptic number.

It is an amenable number.

628601768 is a deficient number, since it is larger than the sum of its proper divisors (552434392).

628601768 is a wasteful number, since it uses less digits than its factorization.

628601768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160528 (or 160524 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 44.

The square root of 628601768 is about 25071.9318761040. The cubic root of 628601768 is about 856.6272115817.

The spelling of 628601768 in words is "six hundred twenty-eight million, six hundred one thousand, seven hundred sixty-eight".