128228360793 has 24 divisors (see below), whose sum is σ = 185817790080. Its totient is φ = 78618496320.

The previous prime is 128228360791. The next prime is 128228360849. The reversal of 128228360793 is 397063822821.

It is not a de Polignac number, because 128228360793 - 2¹ = 128228360791 is a prime.

It is not an unprimeable number, because it can be changed into a prime (128228360791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 329238 + ... + 604031.

It is an arithmetic number, because the mean of its divisors is an integer number (7742407920).

Almost surely, 2^128228360793 is an apocalyptic number.

128228360793 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

128228360793 is a deficient number, since it is larger than the sum of its proper divisors (57589429287).

128228360793 is a wasteful number, since it uses less digits than its factorization.

128228360793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 933569 (or 933556 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 51.

The spelling of 128228360793 in words is "one hundred twenty-eight billion, two hundred twenty-eight million, three hundred sixty thousand, seven hundred ninety-three".