8231086849 has 8 divisors (see below), whose sum is σ = 8551469160. Its totient is φ = 7913141376.

The previous prime is 8231086847. The next prime is 8231086921. The reversal of 8231086849 is 9486801328.

It can be written as a sum of positive squares in 4 ways, for example, as 10400625 + 8220686224 = 3225^2 + 90668^2 .

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

It is not a de Polignac number, because 8231086849 - 2¹ = 8231086847 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8231086841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 602322 + ... + 615835.

It is an arithmetic number, because the mean of its divisors is an integer number (1068933645).

Almost surely, 2^8231086849 is an apocalyptic number.

It is an amenable number.

8231086849 is a deficient number, since it is larger than the sum of its proper divisors (320382311).

8231086849 is a wasteful number, since it uses less digits than its factorization.

8231086849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1218419.

The product of its (nonzero) digits is 663552, while the sum is 49.

The square root of 8231086849 is about 90725.3374146385. The cubic root of 8231086849 is about 2019.0747362797.

The spelling of 8231086849 in words is "eight billion, two hundred thirty-one million, eighty-six thousand, eight hundred forty-nine".