869000065 has 8 divisors (see below), whose sum is σ = 1043075880. Its totient is φ = 695016192.

The previous prime is 869000059. The next prime is 869000089. The reversal of 869000065 is 560000968.

It can be written as a sum of positive squares in 4 ways, for example, as 33558849 + 835441216 = 5793^2 + 28904^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 869000065 - 2³ = 869000057 is a prime.

It is a super-2 number, since 2×869000065² = 1510322225940008450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120 + ... + 41689.

It is an arithmetic number, because the mean of its divisors is an integer number (130384485).

Almost surely, 2^869000065 is an apocalyptic number.

It is an amenable number.

869000065 is a deficient number, since it is larger than the sum of its proper divisors (174075815).

869000065 is a wasteful number, since it uses less digits than its factorization.

869000065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45971.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 869000065 is about 29478.8070484543. The cubic root of 869000065 is about 954.2743919444.

The spelling of 869000065 in words is "eight hundred sixty-nine million, sixty-five", and thus it is an aban number.