805064783 has 2 divisors, whose sum is σ = 805064784. Its totient is φ = 805064782.

The previous prime is 805064723. The next prime is 805064797. The reversal of 805064783 is 387460508.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 805064783 - 2¹⁴ = 805048399 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 805064783.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (805064723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 402532391 + 402532392.

It is an arithmetic number, because the mean of its divisors is an integer number (402532392).

Almost surely, 2^805064783 is an apocalyptic number.

805064783 is a deficient number, since it is larger than the sum of its proper divisors (1).

805064783 is an equidigital number, since it uses as much as digits as its factorization.

805064783 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 805064783 is about 28373.6635456192. The cubic root of 805064783 is about 930.2727003122.

The spelling of 805064783 in words is "eight hundred five million, sixty-four thousand, seven hundred eighty-three".