86391105 has 16 divisors (see below), whose sum is σ = 144236160. Its totient is φ = 44071808.

The previous prime is 86391103. The next prime is 86391169. The reversal of 86391105 is 50119368.

It is a cyclic number.

It is not a de Polignac number, because 86391105 - 2¹ = 86391103 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (86391101) by changing a digit.

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, 124860 + ... + 125549.

It is an arithmetic number, because the mean of its divisors is an integer number (9014760).

Almost surely, 2^86391105 is an apocalyptic number.

It is an amenable number.

86391105 is a deficient number, since it is larger than the sum of its proper divisors (57845055).

86391105 is a wasteful number, since it uses less digits than its factorization.

86391105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250440.

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 86391105 is about 9294.6815437647. The cubic root of 86391105 is about 442.0686082698.

The spelling of 86391105 in words is "eighty-six million, three hundred ninety-one thousand, one hundred five".