128882920417584 has 80 divisors (see below), whose sum is σ = 338511378242304. Its totient is φ = 42243499296000.

The previous prime is 128882920417583. The next prime is 128882920417649. The reversal of 128882920417584 is 485714029288821.

It is a super-2 number, since 2×128882920417584² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (128882920417583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2507109 + ... + 16249659.

Almost surely, 2^{128882920417584} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 128882920417584, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169255689121152).

128882920417584 is an abundant number, since it is smaller than the sum of its proper divisors (209628457824720).

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

128882920417584 is a wasteful number, since it uses less digits than its factorization.

128882920417584 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13745826 (or 13745820 counting only the distinct ones).

The product of its (nonzero) digits is 165150720, while the sum is 69.

The spelling of 128882920417584 in words is "one hundred twenty-eight trillion, eight hundred eighty-two billion, nine hundred twenty million, four hundred seventeen thousand, five hundred eighty-four".