806687059 has 4 divisors (see below), whose sum is σ = 806928480. Its totient is φ = 806445640.

The previous prime is 806687041. The next prime is 806687081. The reversal of 806687059 is 950786608.

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 806687059 - 2¹³ = 806678867 is a prime.

It is a super-2 number, since 2×806687059² = 1301488022316138962, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (806687029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115627 + ... + 122404.

It is an arithmetic number, because the mean of its divisors is an integer number (201732120).

Almost surely, 2^806687059 is an apocalyptic number.

806687059 is a deficient number, since it is larger than the sum of its proper divisors (241421).

806687059 is a wasteful number, since it uses less digits than its factorization.

806687059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241420.

The product of its (nonzero) digits is 725760, while the sum is 49.

The square root of 806687059 is about 28402.2368661343. The cubic root of 806687059 is about 930.8971413694.

The spelling of 806687059 in words is "eight hundred six million, six hundred eighty-seven thousand, fifty-nine".