805575500818 has 16 divisors (see below), whose sum is σ = 1360737504000. Its totient is φ = 354358724400.

The previous prime is 805575500813. The next prime is 805575500833. The reversal of 805575500818 is 818005575508.

It is not an unprimeable number, because it can be changed into a prime (805575500813) 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, 590597193 + ... + 590598556.

It is an arithmetic number, because the mean of its divisors is an integer number (85046094000).

Almost surely, 2^805575500818 is an apocalyptic number.

805575500818 is a deficient number, since it is larger than the sum of its proper divisors (555162003182).

805575500818 is a wasteful number, since it uses less digits than its factorization.

805575500818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1181195793.

The product of its (nonzero) digits is 2240000, while the sum is 52.

The spelling of 805575500818 in words is "eight hundred five billion, five hundred seventy-five million, five hundred thousand, eight hundred eighteen".