628922135 has 16 divisors (see below), whose sum is σ = 796080000. Its totient is φ = 475665696.

The previous prime is 628922131. The next prime is 628922137. The reversal of 628922135 is 531229826.

It is a cyclic number.

It is not a de Polignac number, because 628922135 - 2² = 628922131 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (628922131) 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 15 ways as a sum of consecutive naturals, for example, 40772 + ... + 54038.

It is an arithmetic number, because the mean of its divisors is an integer number (49755000).

Almost surely, 2^628922135 is an apocalyptic number.

628922135 is a deficient number, since it is larger than the sum of its proper divisors (167157865).

628922135 is a wasteful number, since it uses less digits than its factorization.

628922135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13790.

The product of its digits is 51840, while the sum is 38.

The square root of 628922135 is about 25078.3200194909. The cubic root of 628922135 is about 856.7727136017.

The spelling of 628922135 in words is "six hundred twenty-eight million, nine hundred twenty-two thousand, one hundred thirty-five".