99996447 has 4 divisors (see below), whose sum is σ = 133328600. Its totient is φ = 66664296.

The previous prime is 99996419. The next prime is 99996473. The reversal of 99996447 is 74469999.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 99996447 - 2⁸ = 99996191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99996647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16666072 + ... + 16666077.

It is an arithmetic number, because the mean of its divisors is an integer number (33332150).

Almost surely, 2^99996447 is an apocalyptic number.

99996447 is a deficient number, since it is larger than the sum of its proper divisors (33332153).

99996447 is a wasteful number, since it uses less digits than its factorization.

99996447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33332152.

The product of its digits is 4408992, while the sum is 57.

The square root of 99996447 is about 9999.8223484220. The cubic root of 99996447 is about 464.1533861078.

The spelling of 99996447 in words is "ninety-nine million, nine hundred ninety-six thousand, four hundred forty-seven".