105795809 has 8 divisors (see below), whose sum is σ = 120972288. Its totient is φ = 90635040.

The previous prime is 105795803. The next prime is 105795829. The reversal of 105795809 is 908597501.

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 105795809 - 2¹² = 105791713 is a prime.

It is a super-2 number, since 2×105795809² = 22385506403928962, which contains 22 as substring.

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 105795809.

It is not an unprimeable number, because it can be changed into a prime (105795803) 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, 21509 + ... + 25965.

It is an arithmetic number, because the mean of its divisors is an integer number (15121536).

Almost surely, 2^105795809 is an apocalyptic number.

It is an amenable number.

105795809 is a deficient number, since it is larger than the sum of its proper divisors (15176479).

105795809 is an equidigital number, since it uses as much as digits as its factorization.

105795809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7855.

The product of its (nonzero) digits is 113400, while the sum is 44.

The square root of 105795809 is about 10285.7089692447. The cubic root of 105795809 is about 472.9582672619.

The spelling of 105795809 in words is "one hundred five million, seven hundred ninety-five thousand, eight hundred nine".