8032647965 has 4 divisors (see below), whose sum is σ = 9639177564. Its totient is φ = 6426118368.

The previous prime is 8032647899. The next prime is 8032648003. The reversal of 8032647965 is 5697462308.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3273441796 + 4759206169 = 57214^2 + 68987^2 .

It is a cyclic number.

It is not a de Polignac number, because 8032647965 - 2¹⁸ = 8032385821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 803264792 + ... + 803264801.

It is an arithmetic number, because the mean of its divisors is an integer number (2409794391).

Almost surely, 2^8032647965 is an apocalyptic number.

It is an amenable number.

8032647965 is a deficient number, since it is larger than the sum of its proper divisors (1606529599).

8032647965 is a wasteful number, since it uses less digits than its factorization.

8032647965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1606529598.

The product of its (nonzero) digits is 2177280, while the sum is 50.

The square root of 8032647965 is about 89625.0409483867. The cubic root of 8032647965 is about 2002.7169711126.

The spelling of 8032647965 in words is "eight billion, thirty-two million, six hundred forty-seven thousand, nine hundred sixty-five".