128325297884 has 12 divisors (see below), whose sum is σ = 256650595824. Its totient is φ = 54996556224.

The previous prime is 128325297883. The next prime is 128325297901. The reversal of 128325297884 is 488792523821.

128325297884 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128325297883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2291523149 + ... + 2291523204.

It is an arithmetic number, because the mean of its divisors is an integer number (21387549652).

Almost surely, 2^128325297884 is an apocalyptic number.

128325297884 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

128325297884 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

128325297884 is a wasteful number, since it uses less digits than its factorization.

128325297884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4583046364 (or 4583046362 counting only the distinct ones).

The product of its digits is 15482880, while the sum is 59.

The spelling of 128325297884 in words is "one hundred twenty-eight billion, three hundred twenty-five million, two hundred ninety-seven thousand, eight hundred eighty-four".