868732105 has 4 divisors (see below), whose sum is σ = 1042478532. Its totient is φ = 694985680.

The previous prime is 868732099. The next prime is 868732121. The reversal of 868732105 is 501237868.

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

It can be written as a sum of positive squares in 2 ways, for example, as 391921209 + 476810896 = 19797^2 + 21836^2 .

It is not a de Polignac number, because 868732105 - 2²⁹ = 331861193 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86873206 + ... + 86873215.

It is an arithmetic number, because the mean of its divisors is an integer number (260619633).

Almost surely, 2^868732105 is an apocalyptic number.

It is an amenable number.

868732105 is a deficient number, since it is larger than the sum of its proper divisors (173746427).

868732105 is a wasteful number, since it uses less digits than its factorization.

868732105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173746426.

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 868732105 is about 29474.2617379978. The cubic root of 868732105 is about 954.1762969562.

The spelling of 868732105 in words is "eight hundred sixty-eight million, seven hundred thirty-two thousand, one hundred five".