86002309 has 2 divisors, whose sum is σ = 86002310. Its totient is φ = 86002308.

The previous prime is 86002291. The next prime is 86002321. The reversal of 86002309 is 90320068.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65044225 + 20958084 = 8065^2 + 4578^2 .

It is a cyclic number.

It is not a de Polignac number, because 86002309 - 2⁷ = 86002181 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86002369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43001154 + 43001155.

It is an arithmetic number, because the mean of its divisors is an integer number (43001155).

Almost surely, 2^86002309 is an apocalyptic number.

It is an amenable number.

86002309 is a deficient number, since it is larger than the sum of its proper divisors (1).

86002309 is an equidigital number, since it uses as much as digits as its factorization.

86002309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 86002309 is about 9273.7429875968. The cubic root of 86002309 is about 441.4044465722.

The spelling of 86002309 in words is "eighty-six million, two thousand, three hundred nine".