808558047 has 12 divisors (see below), whose sum is σ = 1274091624. Its totient is φ = 490035120.

The previous prime is 808558021. The next prime is 808558057. The reversal of 808558047 is 740855808.

It is not a de Polignac number, because 808558047 - 2¹¹ = 808555999 is a prime.

It is a super-2 number, since 2×808558047² = 1307532230736908418, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 808557993 and 808558011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (808558057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4083528 + ... + 4083725.

It is an arithmetic number, because the mean of its divisors is an integer number (106174302).

Almost surely, 2^808558047 is an apocalyptic number.

808558047 is a deficient number, since it is larger than the sum of its proper divisors (465533577).

808558047 is a wasteful number, since it uses less digits than its factorization.

808558047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8167270 (or 8167267 counting only the distinct ones).

The product of its (nonzero) digits is 358400, while the sum is 45.

The square root of 808558047 is about 28435.1551253022. The cubic root of 808558047 is about 931.6162771481.

It can be divided in two parts, 808 and 558047, that added together give a palindrome (558855).

The spelling of 808558047 in words is "eight hundred eight million, five hundred fifty-eight thousand, forty-seven".