9862065872 has 20 divisors (see below), whose sum is σ = 19573796676. Its totient is φ = 4810763520.

The previous prime is 9862065859. The next prime is 9862065911. The reversal of 9862065872 is 2785602689.

9862065872 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 438316096 + 9423749776 = 20936^2 + 97076^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7516163 + ... + 7517474.

Almost surely, 2^9862065872 is an apocalyptic number.

It is an amenable number.

9862065872 is a deficient number, since it is larger than the sum of its proper divisors (9711730804).

9862065872 is a wasteful number, since it uses less digits than its factorization.

9862065872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15033686 (or 15033680 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 53.

The square root of 9862065872 is about 99307.9345873229. The cubic root of 9862065872 is about 2144.4831244459.

The spelling of 9862065872 in words is "nine billion, eight hundred sixty-two million, sixty-five thousand, eight hundred seventy-two".