811811882 has 8 divisors (see below), whose sum is σ = 1391677536. Its totient is φ = 347919372.

The previous prime is 811811867. The next prime is 811811899. The reversal of 811811882 is 288118118.

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, 28993268 + ... + 28993295.

It is an arithmetic number, because the mean of its divisors is an integer number (173959692).

Almost surely, 2^811811882 is an apocalyptic number.

811811882 is a deficient number, since it is larger than the sum of its proper divisors (579865654).

811811882 is a wasteful number, since it uses less digits than its factorization.

811811882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57986572.

The product of its digits is 8192, while the sum is 38.

The square root of 811811882 is about 28492.3126825465. The cubic root of 811811882 is about 932.8642883297.

The spelling of 811811882 in words is "eight hundred eleven million, eight hundred eleven thousand, eight hundred eighty-two".