86005459 has 2 divisors, whose sum is σ = 86005460. Its totient is φ = 86005458.

The previous prime is 86005411. The next prime is 86005463. The reversal of 86005459 is 95450068.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86005459 is a prime.

It is not a weakly prime, because it can be changed into another prime (86005489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43002729 + 43002730.

It is an arithmetic number, because the mean of its divisors is an integer number (43002730).

Almost surely, 2^86005459 is an apocalyptic number.

86005459 is a deficient number, since it is larger than the sum of its proper divisors (1).

86005459 is an equidigital number, since it uses as much as digits as its factorization.

86005459 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 86005459 is about 9273.9128203795. The cubic root of 86005459 is about 441.4098356021.

The spelling of 86005459 in words is "eighty-six million, five thousand, four hundred fifty-nine".