800675005 has 16 divisors (see below), whose sum is σ = 1062687024. Its totient is φ = 575285760.

The previous prime is 800674999. The next prime is 800675041. The reversal of 800675005 is 500576008.

It can be written as a sum of positive squares in 8 ways, for example, as 9771876 + 790903129 = 3126^2 + 28123^2 .

It is not a de Polignac number, because 800675005 - 2⁹ = 800674493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 164056 + ... + 168865.

It is an arithmetic number, because the mean of its divisors is an integer number (66417939).

Almost surely, 2^800675005 is an apocalyptic number.

It is an amenable number.

800675005 is a deficient number, since it is larger than the sum of its proper divisors (262012019).

800675005 is a wasteful number, since it uses less digits than its factorization.

800675005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332976.

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 800675005 is about 28296.2012468105. The cubic root of 800675005 is about 928.5787846304.

The spelling of 800675005 in words is "eight hundred million, six hundred seventy-five thousand, five".