99786066 has 8 divisors (see below), whose sum is σ = 199572144. Its totient is φ = 33262020.

The previous prime is 99786061. The next prime is 99786067. The reversal of 99786066 is 66068799.

It is a happy number.

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

99786066 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (99786061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8315500 + ... + 8315511.

It is an arithmetic number, because the mean of its divisors is an integer number (24946518).

Almost surely, 2^99786066 is an apocalyptic number.

99786066 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99786066 is a wasteful number, since it uses less digits than its factorization.

99786066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16631016.

The product of its (nonzero) digits is 979776, while the sum is 51.

The square root of 99786066 is about 9989.2975729027. The cubic root of 99786066 is about 463.8276491528.

The spelling of 99786066 in words is "ninety-nine million, seven hundred eighty-six thousand, sixty-six".