86217105 has 16 divisors (see below), whose sum is σ = 148559040. Its totient is φ = 42445248.

The previous prime is 86217083. The next prime is 86217121. The reversal of 86217105 is 50171268.

It is not a de Polignac number, because 86217105 - 2⁹ = 86216593 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 220875 + ... + 221264.

It is an arithmetic number, because the mean of its divisors is an integer number (9284940).

Almost surely, 2^86217105 is an apocalyptic number.

It is an amenable number.

86217105 is a deficient number, since it is larger than the sum of its proper divisors (62341935).

86217105 is a wasteful number, since it uses less digits than its factorization.

86217105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442160.

The product of its (nonzero) digits is 3360, while the sum is 30.

The square root of 86217105 is about 9285.3166343426. The cubic root of 86217105 is about 441.7716192180.

The spelling of 86217105 in words is "eighty-six million, two hundred seventeen thousand, one hundred five".