628355776 has 28 divisors (see below), whose sum is σ = 1251529120. Its totient is φ = 313009920.

The previous prime is 628355743. The next prime is 628355801. The reversal of 628355776 is 677553826.

628355776 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 771 + ... + 35458.

Almost surely, 2^628355776 is an apocalyptic number.

It is an amenable number.

628355776 is a deficient number, since it is larger than the sum of its proper divisors (623173344).

628355776 is a wasteful number, since it uses less digits than its factorization.

628355776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36512 (or 36502 counting only the distinct ones).

The product of its digits is 2116800, while the sum is 49.

The square root of 628355776 is about 25067.0256711880. The cubic root of 628355776 is about 856.5154551166.

The spelling of 628355776 in words is "six hundred twenty-eight million, three hundred fifty-five thousand, seven hundred seventy-six".