13880836856 has 32 divisors (see below), whose sum is σ = 26329536000. Its totient is φ = 6860036736.

The previous prime is 13880836841. The next prime is 13880836873. The reversal of 13880836856 is 65863808831.

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, 247910 + ... + 298698.

It is an arithmetic number, because the mean of its divisors is an integer number (822798000).

Almost surely, 2^13880836856 is an apocalyptic number.

It is an amenable number.

13880836856 is a deficient number, since it is larger than the sum of its proper divisors (12448699144).

13880836856 is a wasteful number, since it uses less digits than its factorization.

13880836856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51191 (or 51187 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 56.

The spelling of 13880836856 in words is "thirteen billion, eight hundred eighty million, eight hundred thirty-six thousand, eight hundred fifty-six".