99885966 has 16 divisors (see below), whose sum is σ = 199874304. Its totient is φ = 33278264.

The previous prime is 99885959. The next prime is 99885967. The reversal of 99885966 is 66958899.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99885967) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15385 + ... + 20891.

It is an arithmetic number, because the mean of its divisors is an integer number (12492144).

Almost surely, 2^99885966 is an apocalyptic number.

99885966 is an abundant number, since it is smaller than the sum of its proper divisors (99988338).

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

99885966 is a wasteful number, since it uses less digits than its factorization.

99885966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8535.

The product of its digits is 8398080, while the sum is 60.

The square root of 99885966 is about 9994.2966736034. The cubic root of 99885966 is about 463.9823832739.

The spelling of 99885966 in words is "ninety-nine million, eight hundred eighty-five thousand, nine hundred sixty-six".