128032284378792 has 32 divisors (see below), whose sum is σ = 320081616446400. Its totient is φ = 42677307393024.

The previous prime is 128032284378773. The next prime is 128032284378841. The reversal of 128032284378792 is 297873482230821.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1327509 + ... + 16056987.

It is an arithmetic number, because the mean of its divisors is an integer number (10002550513950).

Almost surely, 2^{128032284378792} is an apocalyptic number.

128032284378792 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

128032284378792 is an abundant number, since it is smaller than the sum of its proper divisors (192049332067608).

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

128032284378792 is a wasteful number, since it uses less digits than its factorization.

128032284378792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15091665 (or 15091661 counting only the distinct ones).

The product of its (nonzero) digits is 130056192, while the sum is 66.

The spelling of 128032284378792 in words is "one hundred twenty-eight trillion, thirty-two billion, two hundred eighty-four million, three hundred seventy-eight thousand, seven hundred ninety-two".