8471352805 has 4 divisors (see below), whose sum is σ = 10165623372. Its totient is φ = 6777082240.

The previous prime is 8471352779. The next prime is 8471352839. The reversal of 8471352805 is 5082531748.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4643332164 + 3828020641 = 68142^2 + 61871^2 .

It is a de Polignac number, because none of the positive numbers 2^k-8471352805 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 847135276 + ... + 847135285.

It is an arithmetic number, because the mean of its divisors is an integer number (2541405843).

Almost surely, 2^8471352805 is an apocalyptic number.

It is an amenable number.

8471352805 is a deficient number, since it is larger than the sum of its proper divisors (1694270567).

8471352805 is a wasteful number, since it uses less digits than its factorization.

8471352805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1694270566.

The product of its (nonzero) digits is 268800, while the sum is 43.

The square root of 8471352805 is about 92039.9522218477. The cubic root of 8471352805 is about 2038.5322651688.

The spelling of 8471352805 in words is "eight billion, four hundred seventy-one million, three hundred fifty-two thousand, eight hundred five".