86434163 has 2 divisors, whose sum is σ = 86434164. Its totient is φ = 86434162.

The previous prime is 86434157. The next prime is 86434177. The reversal of 86434163 is 36143468.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86434163 - 2⁴ = 86434147 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (86434763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43217081 + 43217082.

It is an arithmetic number, because the mean of its divisors is an integer number (43217082).

Almost surely, 2^86434163 is an apocalyptic number.

86434163 is a deficient number, since it is larger than the sum of its proper divisors (1).

86434163 is an equidigital number, since it uses as much as digits as its factorization.

86434163 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41472, while the sum is 35.

The square root of 86434163 is about 9296.9975260834. The cubic root of 86434163 is about 442.1420395514.

The spelling of 86434163 in words is "eighty-six million, four hundred thirty-four thousand, one hundred sixty-three".