628101064 has 16 divisors (see below), whose sum is σ = 1179607500. Its totient is φ = 313539072.

The previous prime is 628101059. The next prime is 628101073. The reversal of 628101064 is 460101826.

It can be written as a sum of positive squares in 2 ways, for example, as 490976964 + 137124100 = 22158^2 + 11710^2 .

It is an unprimeable number.

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, 58689 + ... + 68560.

Almost surely, 2^628101064 is an apocalyptic number.

It is an amenable number.

628101064 is a deficient number, since it is larger than the sum of its proper divisors (551506436).

628101064 is a wasteful number, since it uses less digits than its factorization.

628101064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127872 (or 127868 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 628101064 is about 25061.9445374855. The cubic root of 628101064 is about 856.3997063332.

The spelling of 628101064 in words is "six hundred twenty-eight million, one hundred one thousand, sixty-four".