128596779362704 has 45 divisors (see below), whose sum is σ = 250484448400459. Its totient is φ = 63957439677920.

The previous prime is 128596779362663. The next prime is 128596779362813. The reversal of 128596779362704 is 407263977695821.

The square root of 128596779362704 is 11340052.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

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 8 ways as a sum of consecutive naturals, for example, 8663792307 + ... + 8663807149.

It is a 1-persistent number, because it is pandigital, but 2⋅128596779362704 = 257193558725408 is not.

Almost surely, 2^{128596779362704} is an apocalyptic number.

128596779362704 is the 11340052-nd square number.

It is an amenable number.

128596779362704 is a deficient number, since it is larger than the sum of its proper divisors (121887669037755).

128596779362704 is an frugal number, since it uses more digits than its factorization.

128596779362704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30076 (or 15036 counting only the distinct ones).

The product of its (nonzero) digits is 1920360960, while the sum is 76.

The spelling of 128596779362704 in words is "one hundred twenty-eight trillion, five hundred ninety-six billion, seven hundred seventy-nine million, three hundred sixty-two thousand, seven hundred four".