805897584906 has 16 divisors (see below), whose sum is σ = 1612446956544. Its totient is φ = 268523897184.

The previous prime is 805897584893. The next prime is 805897584907. The reversal of 805897584906 is 609485798508.

It is not an unprimeable number, because it can be changed into a prime (805897584907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27141706 + ... + 27171381.

It is an arithmetic number, because the mean of its divisors is an integer number (100777934784).

Almost surely, 2^805897584906 is an apocalyptic number.

805897584906 is an abundant number, since it is smaller than the sum of its proper divisors (806549371638).

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

805897584906 is a wasteful number, since it uses less digits than its factorization.

805897584906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54315565.

The product of its (nonzero) digits is 174182400, while the sum is 69.

The spelling of 805897584906 in words is "eight hundred five billion, eight hundred ninety-seven million, five hundred eighty-four thousand, nine hundred six".