128880368824 has 32 divisors (see below), whose sum is σ = 244704337920. Its totient is φ = 63626782176.

The previous prime is 128880368819. The next prime is 128880368849. The reversal of 128880368824 is 428863088821.

It is a super-2 number, since 2×128880368824² (a number of 23 digits) contains 22 as substring.

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, 1104457 + ... + 1215559.

It is an arithmetic number, because the mean of its divisors is an integer number (7647010560).

Almost surely, 2^128880368824 is an apocalyptic number.

It is an amenable number.

128880368824 is a deficient number, since it is larger than the sum of its proper divisors (115823969096).

128880368824 is a wasteful number, since it uses less digits than its factorization.

128880368824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112939 (or 112935 counting only the distinct ones).

The product of its (nonzero) digits is 9437184, while the sum is 58.

The spelling of 128880368824 in words is "one hundred twenty-eight billion, eight hundred eighty million, three hundred sixty-eight thousand, eight hundred twenty-four".