128607876 has 36 divisors (see below), whose sum is σ = 326652144. Its totient is φ = 42663600.

The previous prime is 128607863. The next prime is 128607887. The reversal of 128607876 is 678706821.

It is a tau number, because it is divible by the number of its divisors (36).

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, 870 + ... + 16061.

Almost surely, 2^128607876 is an apocalyptic number.

It is an amenable number.

128607876 is an abundant number, since it is smaller than the sum of its proper divisors (198044268).

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

128607876 is a wasteful number, since it uses less digits than its factorization.

128607876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17152 (or 17147 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The square root of 128607876 is about 11340.5412569242. The cubic root of 128607876 is about 504.7649476323.

It can be divided in two parts, 12860 and 7876, that added together give a 4-th power (20736 = 12⁴).

The spelling of 128607876 in words is "one hundred twenty-eight million, six hundred seven thousand, eight hundred seventy-six".