128008070986 has 32 divisors (see below), whose sum is σ = 203654808000. Its totient is φ = 60174721152.

The previous prime is 128008070951. The next prime is 128008070999. The reversal of 128008070986 is 689070800821.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25821220 + ... + 25826176.

It is an arithmetic number, because the mean of its divisors is an integer number (6364212750).

Almost surely, 2^128008070986 is an apocalyptic number.

128008070986 is a deficient number, since it is larger than the sum of its proper divisors (75646737014).

128008070986 is a wasteful number, since it uses less digits than its factorization.

128008070986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10006.

The product of its (nonzero) digits is 387072, while the sum is 49.

The spelling of 128008070986 in words is "one hundred twenty-eight billion, eight million, seventy thousand, nine hundred eighty-six".