86868679 has 2 divisors, whose sum is σ = 86868680. Its totient is φ = 86868678.

The previous prime is 86868673. The next prime is 86868689. The reversal of 86868679 is 97686868.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86868679 - 2⁹ = 86868167 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86868673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43434339 + 43434340.

It is an arithmetic number, because the mean of its divisors is an integer number (43434340).

Almost surely, 2^86868679 is an apocalyptic number.

86868679 is a deficient number, since it is larger than the sum of its proper divisors (1).

86868679 is an equidigital number, since it uses as much as digits as its factorization.

86868679 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6967296, while the sum is 58.

The square root of 86868679 is about 9320.3368501358. The cubic root of 86868679 is about 442.8817036921.

The spelling of 86868679 in words is "eighty-six million, eight hundred sixty-eight thousand, six hundred seventy-nine".