628794575 has 12 divisors (see below), whose sum is σ = 789577440. Its totient is φ = 496666560.

The previous prime is 628794571. The next prime is 628794611. The reversal of 628794575 is 575497826.

It is not a de Polignac number, because 628794575 - 2² = 628794571 is a prime.

It is a super-3 number, since 3×628794575³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (628794571) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 157214 + ... + 161163.

It is an arithmetic number, because the mean of its divisors is an integer number (65798120).

Almost surely, 2^628794575 is an apocalyptic number.

628794575 is a deficient number, since it is larger than the sum of its proper divisors (160782865).

628794575 is a wasteful number, since it uses less digits than its factorization.

628794575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318466 (or 318461 counting only the distinct ones).

The product of its digits is 4233600, while the sum is 53.

The square root of 628794575 is about 25075.7766579622. The cubic root of 628794575 is about 856.7147852240.

The spelling of 628794575 in words is "six hundred twenty-eight million, seven hundred ninety-four thousand, five hundred seventy-five".