8646069328 has 20 divisors (see below), whose sum is σ = 18040356628. Its totient is φ = 3990493440.

The previous prime is 8646069319. The next prime is 8646069343. The reversal of 8646069328 is 8239606468.

It can be written as a sum of positive squares in 2 ways, for example, as 987719184 + 7658350144 = 31428^2 + 87512^2 .

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20783613 + ... + 20784028.

Almost surely, 2^8646069328 is an apocalyptic number.

It is an amenable number.

8646069328 is an abundant number, since it is smaller than the sum of its proper divisors (9394287300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8646069328 is a wasteful number, since it uses less digits than its factorization.

8646069328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41567662 (or 41567656 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 52.

The square root of 8646069328 is about 92984.2423639619. The cubic root of 8646069328 is about 2052.4515052562.

The spelling of 8646069328 in words is "eight billion, six hundred forty-six million, sixty-nine thousand, three hundred twenty-eight".