99966995 has 8 divisors (see below), whose sum is σ = 121479360. Its totient is φ = 78960960.

The previous prime is 99966991. The next prime is 99967001. The reversal of 99966995 is 59966999.

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

It is not a de Polignac number, because 99966995 - 2² = 99966991 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99966991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126146 + ... + 126935.

It is an arithmetic number, because the mean of its divisors is an integer number (15184920).

Almost surely, 2^99966995 is an apocalyptic number.

99966995 is a deficient number, since it is larger than the sum of its proper divisors (21512365).

99966995 is a wasteful number, since it uses less digits than its factorization.

99966995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253165.

The product of its digits is 10628820, while the sum is 62.

The square root of 99966995 is about 9998.3496138113. The cubic root of 99966995 is about 464.1078125291.

The spelling of 99966995 in words is "ninety-nine million, nine hundred sixty-six thousand, nine hundred ninety-five".