86578584619 has 2 divisors, whose sum is σ = 86578584620. Its totient is φ = 86578584618.

The previous prime is 86578584613. The next prime is 86578584671. The reversal of 86578584619 is 91648587568.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86578584619 - 2⁹ = 86578584107 is a prime.

It is a super-2 number, since 2×86578584619² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (86578584613) 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, 43289292309 + 43289292310.

It is an arithmetic number, because the mean of its divisors is an integer number (43289292310).

Almost surely, 2^86578584619 is an apocalyptic number.

86578584619 is a deficient number, since it is larger than the sum of its proper divisors (1).

86578584619 is an equidigital number, since it uses as much as digits as its factorization.

86578584619 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 116121600, while the sum is 67.

The spelling of 86578584619 in words is "eighty-six billion, five hundred seventy-eight million, five hundred eighty-four thousand, six hundred nineteen".