86786668 has 18 divisors (see below), whose sum is σ = 155683388. Its totient is φ = 42331680.

The previous prime is 86786653. The next prime is 86786669. The reversal of 86786668 is 86668768.

It is not an unprimeable number, because it can be changed into a prime (86786669) 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 in 5 ways as a sum of consecutive naturals, for example, 271 + ... + 13177.

Almost surely, 2^86786668 is an apocalyptic number.

It is an amenable number.

86786668 is a deficient number, since it is larger than the sum of its proper divisors (68896720).

86786668 is a wasteful number, since it uses less digits than its factorization.

86786668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12993 (or 12950 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 55.

The square root of 86786668 is about 9315.9362385109. The cubic root of 86786668 is about 442.7422878602.

The spelling of 86786668 in words is "eighty-six million, seven hundred eighty-six thousand, six hundred sixty-eight".