13880780328 has 16 divisors (see below), whose sum is σ = 34701950880. Its totient is φ = 4626926768.

The previous prime is 13880780293. The next prime is 13880780339. The reversal of 13880780328 is 82308708831.

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 3 ways as a sum of consecutive naturals, for example, 289182900 + ... + 289182947.

It is an arithmetic number, because the mean of its divisors is an integer number (2168871930).

Almost surely, 2^13880780328 is an apocalyptic number.

It is an amenable number.

13880780328 is an abundant number, since it is smaller than the sum of its proper divisors (20821170552).

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

13880780328 is a wasteful number, since it uses less digits than its factorization.

13880780328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578365856 (or 578365852 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 48.

The spelling of 13880780328 in words is "thirteen billion, eight hundred eighty million, seven hundred eighty thousand, three hundred twenty-eight".