86207273 has 2 divisors, whose sum is σ = 86207274. Its totient is φ = 86207272.

The previous prime is 86207267. The next prime is 86207291. The reversal of 86207273 is 37270268.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83411689 + 2795584 = 9133^2 + 1672^2 .

It is a cyclic number.

It is not a de Polignac number, because 86207273 - 2⁴ = 86207257 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (86207263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43103636 + 43103637.

It is an arithmetic number, because the mean of its divisors is an integer number (43103637).

Almost surely, 2^86207273 is an apocalyptic number.

It is an amenable number.

86207273 is a deficient number, since it is larger than the sum of its proper divisors (1).

86207273 is an equidigital number, since it uses as much as digits as its factorization.

86207273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 86207273 is about 9284.7871811905. The cubic root of 86207273 is about 441.7548257071.

The spelling of 86207273 in words is "eighty-six million, two hundred seven thousand, two hundred seventy-three".