86506603 has 2 divisors, whose sum is σ = 86506604. Its totient is φ = 86506602.

The previous prime is 86506579. The next prime is 86506619. The reversal of 86506603 is 30660568.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86506603 - 2²⁵ = 52952171 is a prime.

It is not a weakly prime, because it can be changed into another prime (86506633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43253301 + 43253302.

It is an arithmetic number, because the mean of its divisors is an integer number (43253302).

Almost surely, 2^86506603 is an apocalyptic number.

86506603 is a deficient number, since it is larger than the sum of its proper divisors (1).

86506603 is an equidigital number, since it uses as much as digits as its factorization.

86506603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 86506603 is about 9300.8925915742. The cubic root of 86506603 is about 442.2655240036.

The spelling of 86506603 in words is "eighty-six million, five hundred six thousand, six hundred three".