805703812 has 24 divisors (see below), whose sum is σ = 1419201504. Its totient is φ = 400226112.

The previous prime is 805703809. The next prime is 805703819. The reversal of 805703812 is 218307508.

It is not an unprimeable number, because it can be changed into a prime (805703819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 850323 + ... + 851269.

It is an arithmetic number, because the mean of its divisors is an integer number (59133396).

Almost surely, 2^805703812 is an apocalyptic number.

It is an amenable number.

805703812 is a deficient number, since it is larger than the sum of its proper divisors (613497692).

805703812 is a wasteful number, since it uses less digits than its factorization.

805703812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2115 (or 2113 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 34.

The square root of 805703812 is about 28384.9222651745. The cubic root of 805703812 is about 930.5187732685.

The spelling of 805703812 in words is "eight hundred five million, seven hundred three thousand, eight hundred twelve".