8729382656 has 18 divisors (see below), whose sum is σ = 17424666672. Its totient is φ = 4364691200.

The previous prime is 8729382589. The next prime is 8729382733. The reversal of 8729382656 is 6562839278.

It is a super-2 number, since 2×8729382656² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17049320 + ... + 17049831.

Almost surely, 2^8729382656 is an apocalyptic number.

It is an amenable number.

8729382656 is a deficient number, since it is larger than the sum of its proper divisors (8695284016).

8729382656 is an equidigital number, since it uses as much as digits as its factorization.

8729382656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34099167 (or 34099153 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 56.

The square root of 8729382656 is about 93431.1653357701. The cubic root of 8729382656 is about 2059.0229016838.

The spelling of 8729382656 in words is "eight billion, seven hundred twenty-nine million, three hundred eighty-two thousand, six hundred fifty-six".