99966888 has 48 divisors (see below), whose sum is σ = 309422880. Its totient is φ = 28561824.

The previous prime is 99966877. The next prime is 99966899. The reversal of 99966888 is 88866999.

It is an interprime number because it is at equal distance from previous prime (99966877) and next prime (99966899).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a nude number because it is divisible by every one of its digits.

It is a zygodrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 98670 + ... + 99677.

It is an arithmetic number, because the mean of its divisors is an integer number (6446310).

Almost surely, 2^99966888 is an apocalyptic number.

It is an amenable number.

99966888 is an abundant number, since it is smaller than the sum of its proper divisors (209455992).

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

99966888 is a wasteful number, since it uses less digits than its factorization.

99966888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198366 (or 198359 counting only the distinct ones).

The product of its digits is 13436928, while the sum is 63.

The square root of 99966888 is about 9998.3442629267. The cubic root of 99966888 is about 464.1076469426.

The spelling of 99966888 in words is "ninety-nine million, nine hundred sixty-six thousand, eight hundred eighty-eight".