128807329204 has 24 divisors (see below), whose sum is σ = 238178888640. Its totient is φ = 60781996224.

The previous prime is 128807329193. The next prime is 128807329207. The reversal of 128807329204 is 402923708821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128807329207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3202129 + ... + 3242104.

It is an arithmetic number, because the mean of its divisors is an integer number (9924120360).

Almost surely, 2^128807329204 is an apocalyptic number.

It is an amenable number.

128807329204 is a deficient number, since it is larger than the sum of its proper divisors (109371559436).

128807329204 is a wasteful number, since it uses less digits than its factorization.

128807329204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6444519 (or 6444517 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 46.

The spelling of 128807329204 in words is "one hundred twenty-eight billion, eight hundred seven million, three hundred twenty-nine thousand, two hundred four".