129288884888 has 32 divisors (see below), whose sum is σ = 259500456000. Its totient is φ = 60204097440.

The previous prime is 129288884843. The next prime is 129288884903. The reversal of 129288884888 is 888488882921.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 7199378 + ... + 7217313.

It is an arithmetic number, because the mean of its divisors is an integer number (8109389250).

Almost surely, 2^129288884888 is an apocalyptic number.

It is an amenable number.

129288884888 is an abundant number, since it is smaller than the sum of its proper divisors (130211571112).

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

129288884888 is a wasteful number, since it uses less digits than its factorization.

129288884888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14416775 (or 14416771 counting only the distinct ones).

The product of its digits is 301989888, while the sum is 74.

The spelling of 129288884888 in words is "one hundred twenty-nine billion, two hundred eighty-eight million, eight hundred eighty-four thousand, eight hundred eighty-eight".