86234563 has 2 divisors, whose sum is σ = 86234564. Its totient is φ = 86234562.

The previous prime is 86234543. The next prime is 86234573. The reversal of 86234563 is 36543268.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86234563 - 2⁹ = 86234051 is a prime.

It is not a weakly prime, because it can be changed into another prime (86234543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43117281 + 43117282.

It is an arithmetic number, because the mean of its divisors is an integer number (43117282).

Almost surely, 2^86234563 is an apocalyptic number.

86234563 is a deficient number, since it is larger than the sum of its proper divisors (1).

86234563 is an equidigital number, since it uses as much as digits as its factorization.

86234563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 103680, while the sum is 37.

The square root of 86234563 is about 9286.2566731703. The cubic root of 86234563 is about 441.8014351438.

The spelling of 86234563 in words is "eighty-six million, two hundred thirty-four thousand, five hundred sixty-three".