628286627 has 4 divisors (see below), whose sum is σ = 628626096. Its totient is φ = 627947160.

The previous prime is 628286621. The next prime is 628286651. The reversal of 628286627 is 726682826.

628286627 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 628286627 - 2¹⁶ = 628221091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (628286621) 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, 166943 + ... + 170664.

It is an arithmetic number, because the mean of its divisors is an integer number (157156524).

Almost surely, 2^628286627 is an apocalyptic number.

628286627 is a deficient number, since it is larger than the sum of its proper divisors (339469).

628286627 is a wasteful number, since it uses less digits than its factorization.

628286627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339468.

The product of its digits is 774144, while the sum is 47.

The square root of 628286627 is about 25065.6463511317. The cubic root of 628286627 is about 856.4840348277.

The spelling of 628286627 in words is "six hundred twenty-eight million, two hundred eighty-six thousand, six hundred twenty-seven".