86578584671 has 2 divisors, whose sum is σ = 86578584672. Its totient is φ = 86578584670.

The previous prime is 86578584619. The next prime is 86578584727. The reversal of 86578584671 is 17648587568.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86578584671 - 2⁶ = 86578584607 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 86578584598 and 86578584607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86578587671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43289292335 + 43289292336.

It is an arithmetic number, because the mean of its divisors is an integer number (43289292336).

Almost surely, 2^86578584671 is an apocalyptic number.

86578584671 is a deficient number, since it is larger than the sum of its proper divisors (1).

86578584671 is an equidigital number, since it uses as much as digits as its factorization.

86578584671 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90316800, while the sum is 65.

The spelling of 86578584671 in words is "eighty-six billion, five hundred seventy-eight million, five hundred eighty-four thousand, six hundred seventy-one".