128879596 has 12 divisors (see below), whose sum is σ = 233316720. Its totient is φ = 62217680.

The previous prime is 128879587. The next prime is 128879609. The reversal of 128879596 is 695978821.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 555400 + ... + 555631.

It is an arithmetic number, because the mean of its divisors is an integer number (19443060).

Almost surely, 2^128879596 is an apocalyptic number.

It is an amenable number.

128879596 is a deficient number, since it is larger than the sum of its proper divisors (104437124).

128879596 is a wasteful number, since it uses less digits than its factorization.

128879596 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111064 (or 1111062 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 55.

The square root of 128879596 is about 11352.5149636545. The cubic root of 128879596 is about 505.1201831397.

The spelling of 128879596 in words is "one hundred twenty-eight million, eight hundred seventy-nine thousand, five hundred ninety-six".