86482309 has 2 divisors, whose sum is σ = 86482310. Its totient is φ = 86482308.

The previous prime is 86482267. The next prime is 86482313. The reversal of 86482309 is 90328468.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59213025 + 27269284 = 7695^2 + 5222^2 .

It is a cyclic number.

It is not a de Polignac number, because 86482309 - 2¹⁵ = 86449541 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 (86482709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43241154 + 43241155.

It is an arithmetic number, because the mean of its divisors is an integer number (43241155).

Almost surely, 2^86482309 is an apocalyptic number.

It is an amenable number.

86482309 is a deficient number, since it is larger than the sum of its proper divisors (1).

86482309 is an equidigital number, since it uses as much as digits as its factorization.

86482309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 86482309 is about 9299.5864961836. The cubic root of 86482309 is about 442.2241190540.

The spelling of 86482309 in words is "eighty-six million, four hundred eighty-two thousand, three hundred nine".