805840850 has 48 divisors (see below), whose sum is σ = 1542544128. Its totient is φ = 313050240.

The previous prime is 805840837. The next prime is 805840853. The reversal of 805840850 is 58048508.

It is not an unprimeable number, because it can be changed into a prime (805840853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 320699 + ... + 323201.

It is an arithmetic number, because the mean of its divisors is an integer number (32136336).

Almost surely, 2^805840850 is an apocalyptic number.

805840850 is a deficient number, since it is larger than the sum of its proper divisors (736703278).

805840850 is a wasteful number, since it uses less digits than its factorization.

805840850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2699 (or 2694 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 38.

The square root of 805840850 is about 28387.3360849517. The cubic root of 805840850 is about 930.5715259885.

The spelling of 805840850 in words is "eight hundred five million, eight hundred forty thousand, eight hundred fifty".