89444907 has 18 divisors (see below), whose sum is σ = 135066932. Its totient is φ = 57034296.

The previous prime is 89444899. The next prime is 89444909. The reversal of 89444907 is 70944498.

It is not a de Polignac number, because 89444907 - 2³ = 89444899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89444909) 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 17 ways as a sum of consecutive naturals, for example, 4633 + ... + 14154.

Almost surely, 2^89444907 is an apocalyptic number.

89444907 is a deficient number, since it is larger than the sum of its proper divisors (45622025).

89444907 is a wasteful number, since it uses less digits than its factorization.

89444907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18839 (or 18813 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 89444907 is about 9457.5317604542. The cubic root of 89444907 is about 447.2172419702.

The spelling of 89444907 in words is "eighty-nine million, four hundred forty-four thousand, nine hundred seven".