86865005 has 8 divisors (see below), whose sum is σ = 107832600. Its totient is φ = 67095616.

The previous prime is 86865001. The next prime is 86865013. The reversal of 86865005 is 50056868.

It can be written as a sum of positive squares in 4 ways, for example, as 24344356 + 62520649 = 4934^2 + 7907^2 .

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 86865005 - 2² = 86865001 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 86865005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86865001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 299390 + ... + 299679.

It is an arithmetic number, because the mean of its divisors is an integer number (13479075).

Almost surely, 2^86865005 is an apocalyptic number.

It is an amenable number.

86865005 is a deficient number, since it is larger than the sum of its proper divisors (20967595).

86865005 is a wasteful number, since it uses less digits than its factorization.

86865005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599103.

The product of its (nonzero) digits is 57600, while the sum is 38.

The square root of 86865005 is about 9320.1397521711. The cubic root of 86865005 is about 442.8754598984.

The spelling of 86865005 in words is "eighty-six million, eight hundred sixty-five thousand, five".