89824285849 has 9 divisors (see below), whose sum is σ = 90703993471. Its totient is φ = 88953037600.

The previous prime is 89824285841. The next prime is 89824285927. The reversal of 89824285849 is 94858242898.

The square root of 89824285849 is 299707.

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., 45841807449 + 43982478400 = 214107^2 + 209720^2 .

It is not a de Polignac number, because 89824285849 - 2³ = 89824285841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89824285841) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 32067249 + ... + 32070049.

Almost surely, 2^89824285849 is an apocalyptic number.

89824285849 is the 299707-th square number.

89824285849 is the 149854-th centered octagonal number.

It is an amenable number.

89824285849 is a deficient number, since it is larger than the sum of its proper divisors (879707622).

89824285849 is an frugal number, since it uses more digits than its factorization.

89824285849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5816 (or 2908 counting only the distinct ones).

The product of its digits is 106168320, while the sum is 67.

The spelling of 89824285849 in words is "eighty-nine billion, eight hundred twenty-four million, two hundred eighty-five thousand, eight hundred forty-nine".