865060065 has 48 divisors (see below), whose sum is σ = 1541030400. Its totient is φ = 448736256.

The previous prime is 865059983. The next prime is 865060081. The reversal of 865060065 is 560060568.

It is not a de Polignac number, because 865060065 - 2⁹ = 865059553 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 255856 + ... + 259214.

It is an arithmetic number, because the mean of its divisors is an integer number (32104800).

Almost surely, 2^865060065 is an apocalyptic number.

It is an amenable number.

865060065 is a deficient number, since it is larger than the sum of its proper divisors (675970335).

865060065 is a wasteful number, since it uses less digits than its factorization.

865060065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3526 (or 3523 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 865060065 is about 29411.9034576139. The cubic root of 865060065 is about 952.8299970517.

The spelling of 865060065 in words is "eight hundred sixty-five million, sixty thousand, sixty-five".