808581082 has 4 divisors (see below), whose sum is σ = 1212871626. Its totient is φ = 404290540.

The previous prime is 808581071. The next prime is 808581083. The reversal of 808581082 is 280185808.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 745235401 + 63345681 = 27299^2 + 7959^2 .

It is not an unprimeable number, because it can be changed into a prime (808581083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202145269 + ... + 202145272.

Almost surely, 2^808581082 is an apocalyptic number.

808581082 is a deficient number, since it is larger than the sum of its proper divisors (404290544).

808581082 is a wasteful number, since it uses less digits than its factorization.

808581082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404290543.

The product of its (nonzero) digits is 40960, while the sum is 40.

The square root of 808581082 is about 28435.5601668052. The cubic root of 808581082 is about 931.6251239989.

The spelling of 808581082 in words is "eight hundred eight million, five hundred eighty-one thousand, eighty-two".