99444568 has 16 divisors (see below), whose sum is σ = 188820000. Its totient is φ = 49092576.

The previous prime is 99444563. The next prime is 99444593. The reversal of 99444568 is 86544499.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99444563) 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, 78043 + ... + 79306.

It is an arithmetic number, because the mean of its divisors is an integer number (11801250).

Almost surely, 2^99444568 is an apocalyptic number.

It is an amenable number.

99444568 is a deficient number, since it is larger than the sum of its proper divisors (89375432).

99444568 is a wasteful number, since it uses less digits than its factorization.

99444568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157434 (or 157430 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 49.

The square root of 99444568 is about 9972.1897294426. The cubic root of 99444568 is about 463.2979250527.

The spelling of 99444568 in words is "ninety-nine million, four hundred forty-four thousand, five hundred sixty-eight".