89079565444 has 27 divisors (see below), whose sum is σ = 157971126117. Its totient is φ = 43952707968.

The previous prime is 89079565423. The next prime is 89079565453. The reversal of 89079565444 is 44456597098.

It is a happy number.

The square root of 89079565444 is 298462.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 42906151044 + 46173414400 = 207138^2 + 214880^2 .

It is a Duffinian number.

It is an unprimeable number.

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 8 ways as a sum of consecutive naturals, for example, 47156052 + ... + 47157940.

Almost surely, 2^89079565444 is an apocalyptic number.

89079565444 is the 298462-nd square number.

It is an amenable number.

89079565444 is a deficient number, since it is larger than the sum of its proper divisors (68891560673).

89079565444 is an frugal number, since it uses more digits than its factorization.

89079565444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3940 (or 1970 counting only the distinct ones).

The product of its (nonzero) digits is 43545600, while the sum is 61.

The spelling of 89079565444 in words is "eighty-nine billion, seventy-nine million, five hundred sixty-five thousand, four hundred forty-four".