809048012 has 12 divisors (see below), whose sum is σ = 1418250120. Its totient is φ = 403834868.

The previous prime is 809047999. The next prime is 809048029. The reversal of 809048012 is 210840908.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is a self number, because there is not a number n which added to its sum of digits gives 809048012.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1377983 + ... + 1378569.

It is an arithmetic number, because the mean of its divisors is an integer number (118187510).

Almost surely, 2^809048012 is an apocalyptic number.

It is an amenable number.

809048012 is a deficient number, since it is larger than the sum of its proper divisors (609202108).

809048012 is an frugal number, since it uses more digits than its factorization.

809048012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1765 (or 589 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 809048012 is about 28443.7693001473. The cubic root of 809048012 is about 931.8044175053.

The spelling of 809048012 in words is "eight hundred nine million, forty-eight thousand, twelve".