86688067 has 2 divisors, whose sum is σ = 86688068. Its totient is φ = 86688066.

The previous prime is 86688053. The next prime is 86688097. The reversal of 86688067 is 76088668.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86688067 - 2¹⁵ = 86655299 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 86688067.

It is not a weakly prime, because it can be changed into another prime (86688037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43344033 + 43344034.

It is an arithmetic number, because the mean of its divisors is an integer number (43344034).

Almost surely, 2^86688067 is an apocalyptic number.

86688067 is a deficient number, since it is larger than the sum of its proper divisors (1).

86688067 is an equidigital number, since it uses as much as digits as its factorization.

86688067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 774144, while the sum is 49.

The square root of 86688067 is about 9310.6426738437. The cubic root of 86688067 is about 442.5745532826.

The spelling of 86688067 in words is "eighty-six million, six hundred eighty-eight thousand, sixty-seven".