128768370765792 has 96 divisors (see below), whose sum is σ = 352761837136128. Its totient is φ = 41050939539456.

The previous prime is 128768370765779. The next prime is 128768370765803. The reversal of 128768370765792 is 297567073867821.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12077088 + ... + 20084640.

It is an arithmetic number, because the mean of its divisors is an integer number (3674602470168).

Almost surely, 2^{128768370765792} is an apocalyptic number.

128768370765792 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

128768370765792 is an abundant number, since it is smaller than the sum of its proper divisors (223993466370336).

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

128768370765792 is a wasteful number, since it uses less digits than its factorization.

128768370765792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8014872 (or 8014864 counting only the distinct ones).

The product of its (nonzero) digits is 2987228160, while the sum is 78.

The spelling of 128768370765792 in words is "one hundred twenty-eight trillion, seven hundred sixty-eight billion, three hundred seventy million, seven hundred sixty-five thousand, seven hundred ninety-two".