628875268 has 24 divisors (see below), whose sum is σ = 1260403200. Its totient is φ = 268949568.

The previous prime is 628875259. The next prime is 628875293. The reversal of 628875268 is 862578826.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10033 + ... + 36856.

It is an arithmetic number, because the mean of its divisors is an integer number (52516800).

Almost surely, 2^628875268 is an apocalyptic number.

It is an amenable number.

628875268 is an abundant number, since it is smaller than the sum of its proper divisors (631527932).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

628875268 is a wasteful number, since it uses less digits than its factorization.

628875268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47379 (or 47377 counting only the distinct ones).

The product of its digits is 2580480, while the sum is 52.

The square root of 628875268 is about 25077.3855894110. The cubic root of 628875268 is about 856.7514309648.

The spelling of 628875268 in words is "six hundred twenty-eight million, eight hundred seventy-five thousand, two hundred sixty-eight".