128417704017 has 8 divisors (see below), whose sum is σ = 171295527360. Its totient is φ = 85575841680.

The previous prime is 128417703907. The next prime is 128417704031. The reversal of 128417704017 is 710407714821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 128417704017 - 2¹⁴ = 128417687633 is a prime.

It is a super-2 number, since 2×128417704017² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 128417704017.

It is not an unprimeable number, because it can be changed into a prime (128417704087) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8981917 + ... + 8996202.

It is an arithmetic number, because the mean of its divisors is an integer number (21411940920).

Almost surely, 2^128417704017 is an apocalyptic number.

It is an amenable number.

128417704017 is a deficient number, since it is larger than the sum of its proper divisors (42877823343).

128417704017 is a wasteful number, since it uses less digits than its factorization.

128417704017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17980503.

The product of its (nonzero) digits is 87808, while the sum is 42.

The spelling of 128417704017 in words is "one hundred twenty-eight billion, four hundred seventeen million, seven hundred four thousand, seventeen".