806964569 has 4 divisors (see below), whose sum is σ = 807021696. Its totient is φ = 806907444.

The previous prime is 806964563. The next prime is 806964577. The reversal of 806964569 is 965469608.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 806964569 - 2⁴ = 806964553 is a prime.

It is a super-2 number, since 2×806964569² = 1302383631242711522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 806964569.

It is not an unprimeable number, because it can be changed into a prime (806964563) 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 in 3 ways as a sum of consecutive naturals, for example, 9812 + ... + 41354.

It is an arithmetic number, because the mean of its divisors is an integer number (201755424).

Almost surely, 2^806964569 is an apocalyptic number.

It is an amenable number.

806964569 is a deficient number, since it is larger than the sum of its proper divisors (57127).

806964569 is a wasteful number, since it uses less digits than its factorization.

806964569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57126.

The product of its (nonzero) digits is 2799360, while the sum is 53.

The square root of 806964569 is about 28407.1218007034. The cubic root of 806964569 is about 931.0038757159.

The spelling of 806964569 in words is "eight hundred six million, nine hundred sixty-four thousand, five hundred sixty-nine".