805065084 has 36 divisors (see below), whose sum is σ = 2037462336. Its totient is φ = 268033728.

The previous prime is 805065043. The next prime is 805065091. The reversal of 805065084 is 480560508.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 18112 + ... + 44024.

It is an arithmetic number, because the mean of its divisors is an integer number (56596176).

Almost surely, 2^805065084 is an apocalyptic number.

It is an amenable number.

805065084 is an abundant number, since it is smaller than the sum of its proper divisors (1232397252).

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

805065084 is a wasteful number, since it uses less digits than its factorization.

805065084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26786 (or 26781 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The square root of 805065084 is about 28373.6688498333. The cubic root of 805065084 is about 930.2728162499.

The spelling of 805065084 in words is "eight hundred five million, sixty-five thousand, eighty-four".