8509896964 has 6 divisors (see below), whose sum is σ = 14892319694. Its totient is φ = 4254948480.

The previous prime is 8509896961. The next prime is 8509896973. The reversal of 8509896964 is 4696989058.

It can be written as a sum of positive squares in only one way, i.e., 8425404100 + 84492864 = 91790^2 + 9192^2 .

It is a junction number, because it is equal to n+sod(n) for n = 8509896896 and 8509896905.

It is not an unprimeable number, because it can be changed into a prime (8509896961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1063737117 + ... + 1063737124.

Almost surely, 2^8509896964 is an apocalyptic number.

It is an amenable number.

8509896964 is a deficient number, since it is larger than the sum of its proper divisors (6382422730).

8509896964 is a wasteful number, since it uses less digits than its factorization.

8509896964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2127474245 (or 2127474243 counting only the distinct ones).

The product of its (nonzero) digits is 33592320, while the sum is 64.

The square root of 8509896964 is about 92249.1027815447. The cubic root of 8509896964 is about 2041.6193220449.

The spelling of 8509896964 in words is "eight billion, five hundred nine million, eight hundred ninety-six thousand, nine hundred sixty-four".