628591578088 has 16 divisors (see below), whose sum is σ = 1178668354500. Its totient is φ = 314280016896.

The previous prime is 628591578071. The next prime is 628591578103. The reversal of 628591578088 is 880875195826.

It can be written as a sum of positive squares in 2 ways, for example, as 609651763204 + 18939814884 = 780802^2 + 137622^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1801273 + ... + 2121736.

Almost surely, 2^628591578088 is an apocalyptic number.

It is an amenable number.

628591578088 is a deficient number, since it is larger than the sum of its proper divisors (550076776412).

628591578088 is a wasteful number, since it uses less digits than its factorization.

628591578088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3943044 (or 3943040 counting only the distinct ones).

The product of its (nonzero) digits is 77414400, while the sum is 67.

The spelling of 628591578088 in words is "six hundred twenty-eight billion, five hundred ninety-one million, five hundred seventy-eight thousand, eighty-eight".