805817340395 has 16 divisors (see below), whose sum is σ = 973806043392. Its totient is φ = 640110975840.

The previous prime is 805817340353. The next prime is 805817340403. The reversal of 805817340395 is 593043718508.

It is not a de Polignac number, because 805817340395 - 2¹⁶ = 805817274859 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 436034 + ... + 1342296.

It is an arithmetic number, because the mean of its divisors is an integer number (60862877712).

Almost surely, 2^805817340395 is an apocalyptic number.

805817340395 is a deficient number, since it is larger than the sum of its proper divisors (167988702997).

805817340395 is a wasteful number, since it uses less digits than its factorization.

805817340395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 907522.

The product of its (nonzero) digits is 3628800, while the sum is 53.

The spelling of 805817340395 in words is "eight hundred five billion, eight hundred seventeen million, three hundred forty thousand, three hundred ninety-five".