811422008 has 8 divisors (see below), whose sum is σ = 1521416280. Its totient is φ = 405711000.

The previous prime is 811421983. The next prime is 811422011. The reversal of 811422008 is 800224118.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

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 as a sum of consecutive naturals, namely, 50713868 + ... + 50713883.

It is an arithmetic number, because the mean of its divisors is an integer number (190177035).

Almost surely, 2^811422008 is an apocalyptic number.

It is an amenable number.

811422008 is a deficient number, since it is larger than the sum of its proper divisors (709994272).

811422008 is a wasteful number, since it uses less digits than its factorization.

811422008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101427757 (or 101427753 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 26.

The square root of 811422008 is about 28485.4701207475. The cubic root of 811422008 is about 932.7149278774.

The spelling of 811422008 in words is "eight hundred eleven million, four hundred twenty-two thousand, eight".