808047391943 has 4 divisors (see below), whose sum is σ = 881506245768. Its totient is φ = 734588538120.

The previous prime is 808047391909. The next prime is 808047391951. The reversal of 808047391943 is 349193740808.

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 808047391943 - 2¹⁰ = 808047390919 is a prime.

It is a super-2 number, since 2×808047391943² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (808047391973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36729426896 + ... + 36729426917.

It is an arithmetic number, because the mean of its divisors is an integer number (220376561442).

Almost surely, 2^808047391943 is an apocalyptic number.

808047391943 is a deficient number, since it is larger than the sum of its proper divisors (73458853825).

808047391943 is a wasteful number, since it uses less digits than its factorization.

808047391943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73458853824.

The product of its (nonzero) digits is 5225472, while the sum is 56.

It can be divided in two parts, 80804 and 7391943, that added together give a palindrome (7472747).

The spelling of 808047391943 in words is "eight hundred eight billion, forty-seven million, three hundred ninety-one thousand, nine hundred forty-three".