8105769085607 has 4 divisors (see below), whose sum is σ = 8105780045520. Its totient is φ = 8105758125696.

The previous prime is 8105769085537. The next prime is 8105769085633. The reversal of 8105769085607 is 7065809675018.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8105769085607 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8105769085607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8105769085807) 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, 4283507 + ... + 5878772.

It is an arithmetic number, because the mean of its divisors is an integer number (2026445011380).

Almost surely, 2^{8105769085607} is an apocalyptic number.

8105769085607 is a deficient number, since it is larger than the sum of its proper divisors (10959913).

8105769085607 is a wasteful number, since it uses less digits than its factorization.

8105769085607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10959912.

The product of its (nonzero) digits is 25401600, while the sum is 62.

The spelling of 8105769085607 in words is "eight trillion, one hundred five billion, seven hundred sixty-nine million, eighty-five thousand, six hundred seven".