86416223 has 2 divisors, whose sum is σ = 86416224. Its totient is φ = 86416222.

The previous prime is 86416171. The next prime is 86416247. The reversal of 86416223 is 32261468.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86416223 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 86416223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86416273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43208111 + 43208112.

It is an arithmetic number, because the mean of its divisors is an integer number (43208112).

Almost surely, 2^86416223 is an apocalyptic number.

86416223 is a deficient number, since it is larger than the sum of its proper divisors (1).

86416223 is an equidigital number, since it uses as much as digits as its factorization.

86416223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13824, while the sum is 32.

The square root of 86416223 is about 9296.0326483936. The cubic root of 86416223 is about 442.1114475696. Note that the first 3 decimals are identical.

The spelling of 86416223 in words is "eighty-six million, four hundred sixteen thousand, two hundred twenty-three".