628101856627 has 32 divisors (see below), whose sum is σ = 732930867200. Its totient is φ = 527168966688.

The previous prime is 628101856621. The next prime is 628101856643. The reversal of 628101856627 is 726658101826.

It is a happy number.

It is not a de Polignac number, because 628101856627 - 2¹¹ = 628101854579 is a prime.

It is not an unprimeable number, because it can be changed into a prime (628101856621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 81705778 + ... + 81713464.

It is an arithmetic number, because the mean of its divisors is an integer number (22904089600).

Almost surely, 2^628101856627 is an apocalyptic number.

628101856627 is a deficient number, since it is larger than the sum of its proper divisors (104829010573).

628101856627 is a wasteful number, since it uses less digits than its factorization.

628101856627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8975.

The product of its (nonzero) digits is 1935360, while the sum is 52.

The spelling of 628101856627 in words is "six hundred twenty-eight billion, one hundred one million, eight hundred fifty-six thousand, six hundred twenty-seven".