128873680576 has 28 divisors (see below), whose sum is σ = 262645436608. Its totient is φ = 62695302912.

The previous prime is 128873680571. The next prime is 128873680591. The reversal of 128873680576 is 675086378821.

It is not an unprimeable number, because it can be changed into a prime (128873680571) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27209136 + ... + 27213871.

Almost surely, 2^128873680576 is an apocalyptic number.

128873680576 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

128873680576 is an abundant number, since it is smaller than the sum of its proper divisors (133771756032).

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

128873680576 is an equidigital number, since it uses as much as digits as its factorization.

128873680576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54423056 (or 54423046 counting only the distinct ones).

The product of its (nonzero) digits is 27095040, while the sum is 61.

The spelling of 128873680576 in words is "one hundred twenty-eight billion, eight hundred seventy-three million, six hundred eighty thousand, five hundred seventy-six".