805481162 has 8 divisors (see below), whose sum is σ = 1237690692. Its totient is φ = 392917600.

The previous prime is 805481143. The next prime is 805481207. The reversal of 805481162 is 261184508.

It is a Cunningham number, because it is equal to 28381²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 805481161 + 1 = 28381^2 + 1^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4911389 + ... + 4911552.

Almost surely, 2^805481162 is an apocalyptic number.

805481162 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

805481162 is a deficient number, since it is larger than the sum of its proper divisors (432209530).

805481162 is a wasteful number, since it uses less digits than its factorization.

805481162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9822984.

The product of its (nonzero) digits is 15360, while the sum is 35.

The square root of 805481162 is about 28381.0000176174. Note that the first 4 decimals coincide. The cubic root of 805481162 is about 930.4330514896.

The spelling of 805481162 in words is "eight hundred five million, four hundred eighty-one thousand, one hundred sixty-two".