8230662729 has 9 divisors (see below), whose sum is σ = 11889128199. Its totient is φ = 5486927040.

The previous prime is 8230662593. The next prime is 8230662821. The reversal of 8230662729 is 9272660328.

The square root of 8230662729 is 90723.

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., 1255072329 + 6975590400 = 35427^2 + 83520^2 .

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 8230662729 - 2¹⁵ = 8230629961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8230662029) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 257049 + ... + 287289.

Almost surely, 2^8230662729 is an apocalyptic number.

8230662729 is the 90723-rd square number.

8230662729 is the 45362-nd centered octagonal number.

It is an amenable number.

8230662729 is a deficient number, since it is larger than the sum of its proper divisors (3658465470).

8230662729 is an frugal number, since it uses more digits than its factorization.

8230662729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60488 (or 30244 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The cubic root of 8230662729 is about 2019.0400569921.

The spelling of 8230662729 in words is "eight billion, two hundred thirty million, six hundred sixty-two thousand, seven hundred twenty-nine".