128804492786404 has 96 divisors (see below), whose sum is σ = 231852054067200. Its totient is φ = 62592410603520.

The previous prime is 128804492786303. The next prime is 128804492786407. The reversal of 128804492786404 is 404687294408821.

128804492786404 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 128804492786404.

It is not an unprimeable number, because it can be changed into a prime (128804492786407) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21946579582 + ... + 21946585450.

It is an arithmetic number, because the mean of its divisors is an integer number (2415125563200).

Almost surely, 2^{128804492786404} is an apocalyptic number.

It is an amenable number.

128804492786404 is a deficient number, since it is larger than the sum of its proper divisors (103047561280796).

128804492786404 is a wasteful number, since it uses less digits than its factorization.

128804492786404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9053 (or 9051 counting only the distinct ones).

The product of its (nonzero) digits is 198180864, while the sum is 67.

The spelling of 128804492786404 in words is "one hundred twenty-eight trillion, eight hundred four billion, four hundred ninety-two million, seven hundred eighty-six thousand, four hundred four".