628099303 has 4 divisors (see below), whose sum is σ = 676414648. Its totient is φ = 579783960.

The previous prime is 628099273. The next prime is 628099319. The reversal of 628099303 is 303990826.

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 628099303 - 2⁵ = 628099271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (628099333) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 24157653 + ... + 24157678.

It is an arithmetic number, because the mean of its divisors is an integer number (169103662).

Almost surely, 2^628099303 is an apocalyptic number.

628099303 is a deficient number, since it is larger than the sum of its proper divisors (48315345).

628099303 is a wasteful number, since it uses less digits than its factorization.

628099303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48315344.

The product of its (nonzero) digits is 69984, while the sum is 40.

The square root of 628099303 is about 25061.9094045127. The cubic root of 628099303 is about 856.3989059730.

The spelling of 628099303 in words is "six hundred twenty-eight million, ninety-nine thousand, three hundred three".