8105170745 has 8 divisors (see below), whose sum is σ = 11115662784. Its totient is φ = 5557831344.

The previous prime is 8105170691. The next prime is 8105170747. The reversal of 8105170745 is 5470715018.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8105170745 - 2⁶ = 8105170681 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 8105170699 and 8105170708.

It is not an unprimeable number, because it can be changed into a prime (8105170747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115788119 + ... + 115788188.

It is an arithmetic number, because the mean of its divisors is an integer number (1389457848).

Almost surely, 2^8105170745 is an apocalyptic number.

It is an amenable number.

8105170745 is a deficient number, since it is larger than the sum of its proper divisors (3010492039).

8105170745 is a wasteful number, since it uses less digits than its factorization.

8105170745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231576319.

The product of its (nonzero) digits is 39200, while the sum is 38.

The square root of 8105170745 is about 90028.7217781081. The cubic root of 8105170745 is about 2008.7261009604.

The spelling of 8105170745 in words is "eight billion, one hundred five million, one hundred seventy thousand, seven hundred forty-five".