99047885 has 8 divisors (see below), whose sum is σ = 119013216. Its totient is φ = 79134480.

The previous prime is 99047881. The next prime is 99047887. The reversal of 99047885 is 58874099.

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

It is not a de Polignac number, because 99047885 - 2² = 99047881 is a prime.

It is a super-3 number, since 3×99047885³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99047881) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 8651 + ... + 16520.

It is an arithmetic number, because the mean of its divisors is an integer number (14876652).

Almost surely, 2^99047885 is an apocalyptic number.

It is an amenable number.

99047885 is a deficient number, since it is larger than the sum of its proper divisors (19965331).

99047885 is a wasteful number, since it uses less digits than its factorization.

99047885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25963.

The product of its (nonzero) digits is 725760, while the sum is 50.

The square root of 99047885 is about 9952.2803919504. The cubic root of 99047885 is about 462.6810744594.

The spelling of 99047885 in words is "ninety-nine million, forty-seven thousand, eight hundred eighty-five".