8230662728 has 32 divisors (see below), whose sum is σ = 15875792760. Its totient is φ = 3997486080.

The previous prime is 8230662593. The next prime is 8230662821. The reversal of 8230662728 is 8272660328.

It is a Cunningham number, because it is equal to 90723²-1.

It can be written as a sum of positive squares in 4 ways, for example, as 3297286084 + 4933376644 = 57422^2 + 70238^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158768 + ... + 204128.

Almost surely, 2^8230662728 is an apocalyptic number.

It is an amenable number.

8230662728 is a deficient number, since it is larger than the sum of its proper divisors (7645130032).

8230662728 is a wasteful number, since it uses less digits than its factorization.

8230662728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46017 (or 46013 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 44.

The square root of 8230662728 is about 90722.9999944887. Note that the first 5 decimals coincide. The cubic root of 8230662728 is about 2019.0400569103.

The spelling of 8230662728 in words is "eight billion, two hundred thirty million, six hundred sixty-two thousand, seven hundred twenty-eight".