811804330 has 8 divisors (see below), whose sum is σ = 1461247812. Its totient is φ = 324721728.

The previous prime is 811804327. The next prime is 811804429. The reversal of 811804330 is 33408118.

It can be written as a sum of positive squares in 2 ways, for example, as 808890481 + 2913849 = 28441^2 + 1707^2 .

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 (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40590207 + ... + 40590226.

Almost surely, 2^811804330 is an apocalyptic number.

811804330 is a deficient number, since it is larger than the sum of its proper divisors (649443482).

811804330 is a wasteful number, since it uses less digits than its factorization.

811804330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81180440.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 811804330 is about 28492.1801552637. The cubic root of 811804330 is about 932.8613956181.

The spelling of 811804330 in words is "eight hundred eleven million, eight hundred four thousand, three hundred thirty".