89889034225 has 27 divisors (see below), whose sum is σ = 113435006529. Its totient is φ = 70660399200.

The previous prime is 89889034223. The next prime is 89889034237. The reversal of 89889034225 is 52243098898.

The square root of 89889034225 is 299815.

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

It can be written as a sum of positive squares in 4 ways, for example, as 41404517361 + 48484516864 = 203481^2 + 220192^2 .

It is not a de Polignac number, because 89889034225 - 2¹ = 89889034223 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 89889034225.

It is not an unprimeable number, because it can be changed into a prime (89889034223) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 91443084 + ... + 91444066.

Almost surely, 2^89889034225 is an apocalyptic number.

89889034225 is the 299815-th square number.

89889034225 is the 149908-th centered octagonal number.

It is an amenable number.

89889034225 is a deficient number, since it is larger than the sum of its proper divisors (23545972304).

89889034225 is an frugal number, since it uses more digits than its factorization.

89889034225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2098 (or 1049 counting only the distinct ones).

The product of its (nonzero) digits is 9953280, while the sum is 58.

The spelling of 89889034225 in words is "eighty-nine billion, eight hundred eighty-nine million, thirty-four thousand, two hundred twenty-five".