86145599 has 2 divisors, whose sum is σ = 86145600. Its totient is φ = 86145598.

The previous prime is 86145581. The next prime is 86145623. The reversal of 86145599 is 99554168.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86145599 - 2⁸ = 86145343 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 (86145529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43072799 + 43072800.

It is an arithmetic number, because the mean of its divisors is an integer number (43072800).

Almost surely, 2^86145599 is an apocalyptic number.

86145599 is a deficient number, since it is larger than the sum of its proper divisors (1).

86145599 is an equidigital number, since it uses as much as digits as its factorization.

86145599 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 388800, while the sum is 47.

The square root of 86145599 is about 9281.4653476701. The cubic root of 86145599 is about 441.6494545248.

The spelling of 86145599 in words is "eighty-six million, one hundred forty-five thousand, five hundred ninety-nine".