128853975078 has 24 divisors (see below), whose sum is σ = 293877487800. Its totient is φ = 40690728864.

The previous prime is 128853975007. The next prime is 128853975113. The reversal of 128853975078 is 870579358821.

128853975078 is a `hidden beast` number, since 1 + 28 + 8 + 539 + 7 + 5 + 0 + 78 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 188382663 + ... + 188383346.

It is an arithmetic number, because the mean of its divisors is an integer number (12244895325).

Almost surely, 2^128853975078 is an apocalyptic number.

128853975078 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

128853975078 is an abundant number, since it is smaller than the sum of its proper divisors (165023512722).

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

128853975078 is a wasteful number, since it uses less digits than its factorization.

128853975078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376766036 (or 376766033 counting only the distinct ones).

The product of its (nonzero) digits is 33868800, while the sum is 63.

The spelling of 128853975078 in words is "one hundred twenty-eight billion, eight hundred fifty-three million, nine hundred seventy-five thousand, seventy-eight".