89281224009 has 12 divisors (see below), whose sum is σ = 129441183300. Its totient is φ = 59299547424.

The previous prime is 89281223963. The next prime is 89281224047. The reversal of 89281224009 is 90042218298.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 7336436409 + 81944787600 = 85653^2 + 286260^2 .

It is not a de Polignac number, because 89281224009 - 2⁸ = 89281223753 is a prime.

It is a super-2 number, since 2×89281224009² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (89281220009) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18436494 + ... + 18441335.

It is an arithmetic number, because the mean of its divisors is an integer number (10786765275).

Almost surely, 2^89281224009 is an apocalyptic number.

It is an amenable number.

89281224009 is a deficient number, since it is larger than the sum of its proper divisors (40159959291).

89281224009 is a wasteful number, since it uses less digits than its factorization.

89281224009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36878104 (or 36878101 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The spelling of 89281224009 in words is "eighty-nine billion, two hundred eighty-one million, two hundred twenty-four thousand, nine".