628967851108 has 12 divisors (see below), whose sum is σ = 1104450375420. Its totient is φ = 313410600992.

The previous prime is 628967851103. The next prime is 628967851121. The reversal of 628967851108 is 801158769826.

It can be written as a sum of positive squares in 2 ways, for example, as 343820395044 + 285147456064 = 586362^2 + 533992^2 .

It is not an unprimeable number, because it can be changed into a prime (628967851103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 268329823 + ... + 268332166.

It is an arithmetic number, because the mean of its divisors is an integer number (92037531285).

Almost surely, 2^628967851108 is an apocalyptic number.

It is an amenable number.

628967851108 is a deficient number, since it is larger than the sum of its proper divisors (475482524312).

628967851108 is a wasteful number, since it uses less digits than its factorization.

628967851108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536662286 (or 536662284 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 61.

The spelling of 628967851108 in words is "six hundred twenty-eight billion, nine hundred sixty-seven million, eight hundred fifty-one thousand, one hundred eight".