86414191 has 2 divisors, whose sum is σ = 86414192. Its totient is φ = 86414190.

The previous prime is 86414161. The next prime is 86414227. The reversal of 86414191 is 19141468.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86414191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86414161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43207095 + 43207096.

It is an arithmetic number, because the mean of its divisors is an integer number (43207096).

Almost surely, 2^86414191 is an apocalyptic number.

86414191 is a deficient number, since it is larger than the sum of its proper divisors (1).

86414191 is an equidigital number, since it uses as much as digits as its factorization.

86414191 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6912, while the sum is 34.

The square root of 86414191 is about 9295.9233538148. The cubic root of 86414191 is about 442.1079822577.

The spelling of 86414191 in words is "eighty-six million, four hundred fourteen thousand, one hundred ninety-one".