800823811 has 8 divisors (see below), whose sum is σ = 848197440. Its totient is φ = 753479808.

The previous prime is 800823781. The next prime is 800823817. The reversal of 800823811 is 118328008.

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

It is a cyclic number.

It is not a de Polignac number, because 800823811 - 2¹³ = 800815619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (800823817) 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 in 7 ways as a sum of consecutive naturals, for example, 73750 + ... + 83908.

It is an arithmetic number, because the mean of its divisors is an integer number (106024680).

Almost surely, 2^800823811 is an apocalyptic number.

800823811 is a deficient number, since it is larger than the sum of its proper divisors (47373629).

800823811 is a wasteful number, since it uses less digits than its factorization.

800823811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14813.

The product of its (nonzero) digits is 3072, while the sum is 31.

The square root of 800823811 is about 28298.8305588765. The cubic root of 800823811 is about 928.6363067355.

The spelling of 800823811 in words is "eight hundred million, eight hundred twenty-three thousand, eight hundred eleven".