89239479622225 has 81 divisors (see below), whose sum is σ = 113683699873233. Its totient is φ = 69490574619840.

The previous prime is 89239479622187. The next prime is 89239479622289. The reversal of 89239479622225 is 52222697493298.

The square root of 89239479622225 is 9446665.

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 9824005742929 + 79415473879296 = 3134327^2 + 8911536^2 .

It is not a de Polignac number, because 89239479622225 - 2²⁷ = 89239345404497 is a prime.

It is a super-2 number, since 2×89239479622225² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 515835142239 + ... + 515835142411.

Almost surely, 2^{89239479622225} is an apocalyptic number.

89239479622225 is the 9446665-th square number.

89239479622225 is the 4723333-rd centered octagonal number.

It is an amenable number.

89239479622225 is a deficient number, since it is larger than the sum of its proper divisors (24444220251008).

89239479622225 is an frugal number, since it uses more digits than its factorization.

89239479622225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 816 (or 408 counting only the distinct ones).

The product of its digits is 470292480, while the sum is 70.

The spelling of 89239479622225 in words is "eighty-nine trillion, two hundred thirty-nine billion, four hundred seventy-nine million, six hundred twenty-two thousand, two hundred twenty-five".