806568311 has 8 divisors (see below), whose sum is σ = 820084080. Its totient is φ = 793096128.

The previous prime is 806568263. The next prime is 806568337. The reversal of 806568311 is 113865608.

It is a happy number.

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 806568311 - 2¹⁰ = 806567287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (806568391) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 27545 + ... + 48701.

It is an arithmetic number, because the mean of its divisors is an integer number (102510510).

Almost surely, 2^806568311 is an apocalyptic number.

806568311 is a deficient number, since it is larger than the sum of its proper divisors (13515769).

806568311 is a wasteful number, since it uses less digits than its factorization.

806568311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21793.

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 806568311 is about 28400.1463200456. The cubic root of 806568311 is about 930.8514616984.

The spelling of 806568311 in words is "eight hundred six million, five hundred sixty-eight thousand, three hundred eleven".