13865382008 has 24 divisors (see below), whose sum is σ = 27177074400. Its totient is φ = 6631267632.

The previous prime is 13865382007. The next prime is 13865382029. The reversal of 13865382008 is 80028356831.

13865382008 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×13865382008² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13865382008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13865382007) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 1633928 + ... + 1642391.

It is an arithmetic number, because the mean of its divisors is an integer number (1132378100).

Almost surely, 2^13865382008 is an apocalyptic number.

It is an amenable number.

13865382008 is a deficient number, since it is larger than the sum of its proper divisors (13311692392).

13865382008 is a wasteful number, since it uses less digits than its factorization.

13865382008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3276371 (or 3276344 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 44.

The spelling of 13865382008 in words is "thirteen billion, eight hundred sixty-five million, three hundred eighty-two thousand, eight".