13768085781607 has 4 divisors (see below), whose sum is σ = 13768308927496. Its totient is φ = 13767862635720.

The previous prime is 13768085781599. The next prime is 13768085781643. The reversal of 13768085781607 is 70618758086731.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13768085781607 - 2³ = 13768085781599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13768085785607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111480369 + ... + 111603802.

It is an arithmetic number, because the mean of its divisors is an integer number (3442077231874).

Almost surely, 2^{13768085781607} is an apocalyptic number.

13768085781607 is a deficient number, since it is larger than the sum of its proper divisors (223145889).

13768085781607 is an equidigital number, since it uses as much as digits as its factorization.

13768085781607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223145888.

The product of its (nonzero) digits is 94832640, while the sum is 67.

The spelling of 13768085781607 in words is "thirteen trillion, seven hundred sixty-eight billion, eighty-five million, seven hundred eighty-one thousand, six hundred seven".