86418717 has 32 divisors (see below), whose sum is σ = 147554304. Its totient is φ = 43675200.

The previous prime is 86418713. The next prime is 86418719. The reversal of 86418717 is 71781468.

It is a happy number.

It is not a de Polignac number, because 86418717 - 2² = 86418713 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86418713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3492 + ... + 13602.

It is an arithmetic number, because the mean of its divisors is an integer number (4611072).

Almost surely, 2^86418717 is an apocalyptic number.

It is an amenable number.

86418717 is a deficient number, since it is larger than the sum of its proper divisors (61135587).

86418717 is a wasteful number, since it uses less digits than its factorization.

86418717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10169.

The product of its digits is 75264, while the sum is 42.

The square root of 86418717 is about 9296.1667906724. The cubic root of 86418717 is about 442.1157006882.

The spelling of 86418717 in words is "eighty-six million, four hundred eighteen thousand, seven hundred seventeen".