806413567 has 2 divisors, whose sum is σ = 806413568. Its totient is φ = 806413566.

The previous prime is 806413549. The next prime is 806413577. The reversal of 806413567 is 765314608.

It is a happy number.

806413567 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-806413567 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (806413507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 403206783 + 403206784.

It is an arithmetic number, because the mean of its divisors is an integer number (403206784).

Almost surely, 2^806413567 is an apocalyptic number.

806413567 is a deficient number, since it is larger than the sum of its proper divisors (1).

806413567 is an equidigital number, since it uses as much as digits as its factorization.

806413567 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 806413567 is about 28397.4218372021. The cubic root of 806413567 is about 930.7919284514.

The spelling of 806413567 in words is "eight hundred six million, four hundred thirteen thousand, five hundred sixty-seven".