805058538 has 16 divisors (see below), whose sum is σ = 1694860320. Its totient is φ = 254228976.

The previous prime is 805058389. The next prime is 805058549. The reversal of 805058538 is 835850508.

It is a self number, because there is not a number n which added to its sum of digits gives 805058538.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3530845 + ... + 3531072.

It is an arithmetic number, because the mean of its divisors is an integer number (105928770).

Almost surely, 2^805058538 is an apocalyptic number.

805058538 is an abundant number, since it is smaller than the sum of its proper divisors (889801782).

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

805058538 is a wasteful number, since it uses less digits than its factorization.

805058538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7061941.

The product of its (nonzero) digits is 192000, while the sum is 42.

The square root of 805058538 is about 28373.5534961696. The cubic root of 805058538 is about 930.2702948876.

The spelling of 805058538 in words is "eight hundred five million, fifty-eight thousand, five hundred thirty-eight".