8865728964 has 45 divisors (see below), whose sum is σ = 23181198271. Its totient is φ = 2954678040.

The previous prime is 8865728951. The next prime is 8865728969. The reversal of 8865728964 is 4698275688.

The square root of 8865728964 is 94158.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8865728969) by changing a digit.

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 14 ways as a sum of consecutive naturals, for example, 1692229 + ... + 1697459.

Almost surely, 2^8865728964 is an apocalyptic number.

8865728964 is the 94158-th square number.

It is an amenable number.

8865728964 is an abundant number, since it is smaller than the sum of its proper divisors (14315469307).

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

8865728964 is an frugal number, since it uses more digits than its factorization.

8865728964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10478 (or 5236 counting only the distinct ones).

The product of its digits is 46448640, while the sum is 63.

The cubic root of 8865728964 is about 2069.6876907532.

The spelling of 8865728964 in words is "eight billion, eight hundred sixty-five million, seven hundred twenty-eight thousand, nine hundred sixty-four".