806611687 has 6 divisors (see below), whose sum is σ = 938303448. Its totient is φ = 691381404.

The previous prime is 806611681. The next prime is 806611691. The reversal of 806611687 is 786116608.

It is a de Polignac number, because none of the positive numbers 2^k-806611687 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (806611681) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8230683 + ... + 8230780.

It is an arithmetic number, because the mean of its divisors is an integer number (156383908).

Almost surely, 2^806611687 is an apocalyptic number.

806611687 is a deficient number, since it is larger than the sum of its proper divisors (131691761).

806611687 is a wasteful number, since it uses less digits than its factorization.

806611687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16461477 (or 16461470 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 43.

The square root of 806611687 is about 28400.9099678162. The cubic root of 806611687 is about 930.8681479847.

The spelling of 806611687 in words is "eight hundred six million, six hundred eleven thousand, six hundred eighty-seven".