13807866707438 has 16 divisors (see below), whose sum is σ = 20997305100576. Its totient is φ = 6808781059200.

The previous prime is 13807866707389. The next prime is 13807866707497. The reversal of 13807866707438 is 83470766870831.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2284106 + ... + 5729997.

It is an arithmetic number, because the mean of its divisors is an integer number (1312331568786).

Almost surely, 2^{13807866707438} is an apocalyptic number.

13807866707438 is a deficient number, since it is larger than the sum of its proper divisors (7189438393138).

13807866707438 is a wasteful number, since it uses less digits than its factorization.

13807866707438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8025979.

The product of its (nonzero) digits is 227598336, while the sum is 68.

The spelling of 13807866707438 in words is "thirteen trillion, eight hundred seven billion, eight hundred sixty-six million, seven hundred seven thousand, four hundred thirty-eight".