13856808736 has 24 divisors (see below), whose sum is σ = 27328405104. Its totient is φ = 6916261440.

The previous prime is 13856808733. The next prime is 13856808751. The reversal of 13856808736 is 63780865831.

It is a super-2 number, since 2×13856808736² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (13856808733) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 360910 + ... + 397453.

It is an arithmetic number, because the mean of its divisors is an integer number (1138683546).

Almost surely, 2^13856808736 is an apocalyptic number.

13856808736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13856808736 is a deficient number, since it is larger than the sum of its proper divisors (13471596368).

13856808736 is an equidigital number, since it uses as much as digits as its factorization.

13856808736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 758944 (or 758936 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 55.

The spelling of 13856808736 in words is "thirteen billion, eight hundred fifty-six million, eight hundred eight thousand, seven hundred thirty-six".