805827012 has 48 divisors (see below), whose sum is σ = 1991458560. Its totient is φ = 252898848.

The previous prime is 805826977. The next prime is 805827037. The reversal of 805827012 is 210728508.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26323 + ... + 48005.

It is an arithmetic number, because the mean of its divisors is an integer number (41488720).

Almost surely, 2^805827012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 805827012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (995729280).

805827012 is an abundant number, since it is smaller than the sum of its proper divisors (1185631548).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

805827012 is a wasteful number, since it uses less digits than its factorization.

805827012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21872 (or 21870 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 33.

The square root of 805827012 is about 28387.0923484601. The cubic root of 805827012 is about 930.5661993277.

The spelling of 805827012 in words is "eight hundred five million, eight hundred twenty-seven thousand, twelve".