84886666 has 8 divisors (see below), whose sum is σ = 127369764. Its totient is φ = 42430080.

The previous prime is 84886639. The next prime is 84886667. The reversal of 84886666 is 66668848.

It can be written as a sum of positive squares in 2 ways, for example, as 80622441 + 4264225 = 8979^2 + 2065^2 .

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

It is not an unprimeable number, because it can be changed into a prime (84886667) 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 3 ways as a sum of consecutive naturals, for example, 6906 + ... + 14746.

Almost surely, 2^84886666 is an apocalyptic number.

84886666 is a deficient number, since it is larger than the sum of its proper divisors (42483098).

84886666 is a wasteful number, since it uses less digits than its factorization.

84886666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13256.

The product of its digits is 2654208, while the sum is 52.

The square root of 84886666 is about 9213.3960079875. The cubic root of 84886666 is about 439.4874644979.

The spelling of 84886666 in words is "eighty-four million, eight hundred eighty-six thousand, six hundred sixty-six".