128693079696 has 80 divisors (see below), whose sum is σ = 350022041600. Its totient is φ = 40632119424.

The previous prime is 128693079679. The next prime is 128693079719. The reversal of 128693079696 is 696970396821.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6409545 + ... + 6429591.

It is an arithmetic number, because the mean of its divisors is an integer number (4375275520).

Almost surely, 2^128693079696 is an apocalyptic number.

128693079696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

128693079696 is an abundant number, since it is smaller than the sum of its proper divisors (221328961904).

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

128693079696 is a wasteful number, since it uses less digits than its factorization.

128693079696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27116 (or 27110 counting only the distinct ones).

The product of its (nonzero) digits is 52907904, while the sum is 66.

The spelling of 128693079696 in words is "one hundred twenty-eight billion, six hundred ninety-three million, seventy-nine thousand, six hundred ninety-six".