99868947 has 8 divisors (see below), whose sum is σ = 134655120. Its totient is φ = 65831040.

The previous prime is 99868871. The next prime is 99868963. The reversal of 99868947 is 74986899.

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

It is not a de Polignac number, because 99868947 - 2¹⁶ = 99803411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99868247) 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, 186754 + ... + 187287.

It is an arithmetic number, because the mean of its divisors is an integer number (16831890).

Almost surely, 2^99868947 is an apocalyptic number.

99868947 is a deficient number, since it is larger than the sum of its proper divisors (34786173).

99868947 is a wasteful number, since it uses less digits than its factorization.

99868947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374133.

The product of its digits is 7838208, while the sum is 60.

The square root of 99868947 is about 9993.4452017310. The cubic root of 99868947 is about 463.9560300065.

The spelling of 99868947 in words is "ninety-nine million, eight hundred sixty-eight thousand, nine hundred forty-seven".