86247563 has 2 divisors, whose sum is σ = 86247564. Its totient is φ = 86247562.

The previous prime is 86247547. The next prime is 86247571. The reversal of 86247563 is 36574268.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86247563 - 2⁴ = 86247547 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 86247563.

It is not a weakly prime, because it can be changed into another prime (86247503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43123781 + 43123782.

It is an arithmetic number, because the mean of its divisors is an integer number (43123782).

Almost surely, 2^86247563 is an apocalyptic number.

86247563 is a deficient number, since it is larger than the sum of its proper divisors (1).

86247563 is an equidigital number, since it uses as much as digits as its factorization.

86247563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 241920, while the sum is 41.

The square root of 86247563 is about 9286.9566059070. The cubic root of 86247563 is about 441.8236347889.

The spelling of 86247563 in words is "eighty-six million, two hundred forty-seven thousand, five hundred sixty-three".