8158244329 has 9 divisors (see below), whose sum is σ = 8365876599. Its totient is φ = 7955649840.

The previous prime is 8158244327. The next prime is 8158244333. The reversal of 8158244329 is 9234428518.

The square root of 8158244329 is 90323.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 393109929 + 7765134400 = 19827^2 + 88120^2 .

It is not a de Polignac number, because 8158244329 - 2¹ = 8158244327 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8158244323) 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 8 ways as a sum of consecutive naturals, for example, 3702142 + ... + 3704344.

Almost surely, 2^8158244329 is an apocalyptic number.

8158244329 is the 90323-rd square number.

8158244329 is the 45162-nd centered octagonal number.

It is an amenable number.

8158244329 is a deficient number, since it is larger than the sum of its proper divisors (207632270).

8158244329 is an frugal number, since it uses more digits than its factorization.

8158244329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4488 (or 2244 counting only the distinct ones).

The product of its digits is 552960, while the sum is 46.

The cubic root of 8158244329 is about 2013.1010216478.

The spelling of 8158244329 in words is "eight billion, one hundred fifty-eight million, two hundred forty-four thousand, three hundred twenty-nine".