128830252617 has 12 divisors (see below), whose sum is σ = 203005246704. Its totient is φ = 78078940920.

The previous prime is 128830252561. The next prime is 128830252619. The reversal of 128830252617 is 716252038821.

128830252617 is a `hidden beast` number, since 1 + 2 + 8 + 8 + 3 + 0 + 25 + 2 + 617 = 666.

It is not a de Polignac number, because 128830252617 - 2⁷ = 128830252489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (128830252619) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 650657743 + ... + 650657940.

It is an arithmetic number, because the mean of its divisors is an integer number (16917103892).

Almost surely, 2^128830252617 is an apocalyptic number.

It is an amenable number.

128830252617 is a deficient number, since it is larger than the sum of its proper divisors (74174994087).

128830252617 is a wasteful number, since it uses less digits than its factorization.

128830252617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1301315700 (or 1301315697 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The spelling of 128830252617 in words is "one hundred twenty-eight billion, eight hundred thirty million, two hundred fifty-two thousand, six hundred seventeen".