805064797 has 2 divisors, whose sum is σ = 805064798. Its totient is φ = 805064796.

The previous prime is 805064783. The next prime is 805064881. The reversal of 805064797 is 797460508.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 798684121 + 6380676 = 28261^2 + 2526^2 .

It is a cyclic number.

It is not a de Polignac number, because 805064797 - 2²³ = 796676189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (805064717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 402532398 + 402532399.

It is an arithmetic number, because the mean of its divisors is an integer number (402532399).

Almost surely, 2^805064797 is an apocalyptic number.

It is an amenable number.

805064797 is a deficient number, since it is larger than the sum of its proper divisors (1).

805064797 is an equidigital number, since it uses as much as digits as its factorization.

805064797 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 423360, while the sum is 46.

The square root of 805064797 is about 28373.6637923269. The cubic root of 805064797 is about 930.2727057047.

The spelling of 805064797 in words is "eight hundred five million, sixty-four thousand, seven hundred ninety-seven".