3128798007700 has 18 divisors (see below), whose sum is σ = 6789491676926. Its totient is φ = 1251519203040.

The previous prime is 3128798007677. The next prime is 3128798007739. The reversal of 3128798007700 is 77008978213.

3128798007700 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 491242896 + 3128306764804 = 22164^2 + 1768702^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15643989939 + ... + 15643990138.

Almost surely, 2^{3128798007700} is an apocalyptic number.

It is an amenable number.

3128798007700 is an abundant number, since it is smaller than the sum of its proper divisors (3660693669226).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3128798007700 is a wasteful number, since it uses less digits than its factorization.

3128798007700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31287980091 (or 31287980084 counting only the distinct ones).

The product of its (nonzero) digits is 1185408, while the sum is 52.

The spelling of 3128798007700 in words is "three trillion, one hundred twenty-eight billion, seven hundred ninety-eight million, seven thousand, seven hundred".