806647364695 has 4 divisors (see below), whose sum is σ = 967976837640. Its totient is φ = 645317891752.

The previous prime is 806647364651. The next prime is 806647364707. The reversal of 806647364695 is 596463746608.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 806647364695 - 2¹³ = 806647356503 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80664736465 + ... + 80664736474.

It is an arithmetic number, because the mean of its divisors is an integer number (241994209410).

Almost surely, 2^806647364695 is an apocalyptic number.

806647364695 is a deficient number, since it is larger than the sum of its proper divisors (161329472945).

806647364695 is a wasteful number, since it uses less digits than its factorization.

806647364695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161329472944.

The product of its (nonzero) digits is 156764160, while the sum is 64.

The spelling of 806647364695 in words is "eight hundred six billion, six hundred forty-seven million, three hundred sixty-four thousand, six hundred ninety-five".