86145617 has 8 divisors (see below), whose sum is σ = 88833024. Its totient is φ = 83497648.

The previous prime is 86145599. The next prime is 86145623. The reversal of 86145617 is 71654168.

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 86145617 - 2¹⁶ = 86080081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86145637) 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, 5393 + ... + 14190.

It is an arithmetic number, because the mean of its divisors is an integer number (11104128).

Almost surely, 2^86145617 is an apocalyptic number.

It is an amenable number.

86145617 is a deficient number, since it is larger than the sum of its proper divisors (2687407).

86145617 is a wasteful number, since it uses less digits than its factorization.

86145617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19719.

The product of its digits is 40320, while the sum is 38.

The square root of 86145617 is about 9281.4663173445. The cubic root of 86145617 is about 441.6494852855.

The spelling of 86145617 in words is "eighty-six million, one hundred forty-five thousand, six hundred seventeen".