86668346 has 8 divisors (see below), whose sum is σ = 137649780. Its totient is φ = 40785088.

The previous prime is 86668333. The next prime is 86668357. The reversal of 86668346 is 64386668.

It can be written as a sum of positive squares in 2 ways, for example, as 78517321 + 8151025 = 8861^2 + 2855^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×86668346² = 15022804396751432, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 86668346.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 1274501 + ... + 1274568.

Almost surely, 2^86668346 is an apocalyptic number.

86668346 is a deficient number, since it is larger than the sum of its proper divisors (50981434).

86668346 is a wasteful number, since it uses less digits than its factorization.

86668346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2549088.

The product of its digits is 995328, while the sum is 47.

The square root of 86668346 is about 9309.5835567441. The cubic root of 86668346 is about 442.5409897446.

The spelling of 86668346 in words is "eighty-six million, six hundred sixty-eight thousand, three hundred forty-six".