806231087 has 2 divisors, whose sum is σ = 806231088. Its totient is φ = 806231086.

The previous prime is 806231039. The next prime is 806231099. The reversal of 806231087 is 780132608.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-806231087 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (806231017) 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 as a sum of consecutive naturals, namely, 403115543 + 403115544.

It is an arithmetic number, because the mean of its divisors is an integer number (403115544).

Almost surely, 2^806231087 is an apocalyptic number.

806231087 is a deficient number, since it is larger than the sum of its proper divisors (1).

806231087 is an equidigital number, since it uses as much as digits as its factorization.

806231087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 806231087 is about 28394.2086876884. The cubic root of 806231087 is about 930.7217147996.

The spelling of 806231087 in words is "eight hundred six million, two hundred thirty-one thousand, eighty-seven".