8117347443 has 8 divisors (see below), whose sum is σ = 10850393808. Its totient is φ = 5397933024.

The previous prime is 8117347423. The next prime is 8117347463. The reversal of 8117347443 is 3447437118.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (8117347423) and next prime (8117347463).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8117347443 - 2¹² = 8117343347 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8117347395 and 8117347404.

It is not an unprimeable number, because it can be changed into a prime (8117347423) 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 7 ways as a sum of consecutive naturals, for example, 3406596 + ... + 3408977.

It is an arithmetic number, because the mean of its divisors is an integer number (1356299226).

Almost surely, 2^8117347443 is an apocalyptic number.

8117347443 is a deficient number, since it is larger than the sum of its proper divisors (2733046365).

8117347443 is a wasteful number, since it uses less digits than its factorization.

8117347443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6815973.

The product of its digits is 225792, while the sum is 42.

The square root of 8117347443 is about 90096.3231380726. The cubic root of 8117347443 is about 2009.7315254891.

The spelling of 8117347443 in words is "eight billion, one hundred seventeen million, three hundred forty-seven thousand, four hundred forty-three".