128966384700 has 54 divisors (see below), whose sum is σ = 404237970864. Its totient is φ = 34391035680.

The previous prime is 128966384681. The next prime is 128966384713. The reversal of 128966384700 is 7483669821.

128966384700 is a `hidden beast` number, since 1 + 2 + 89 + 66 + 38 + 470 + 0 = 666.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 71647092 + ... + 71648891.

Almost surely, 2^128966384700 is an apocalyptic number.

128966384700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

128966384700 is an abundant number, since it is smaller than the sum of its proper divisors (275271586164).

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

128966384700 is a wasteful number, since it uses less digits than its factorization.

128966384700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143296003 (or 143295993 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 54.

The spelling of 128966384700 in words is "one hundred twenty-eight billion, nine hundred sixty-six million, three hundred eighty-four thousand, seven hundred".