89221017888 has 90 divisors (see below), whose sum is σ = 262441267011. Its totient is φ = 29735270208.

The previous prime is 89221017887. The next prime is 89221017889. The reversal of 89221017888 is 88871012298.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is an interprime number because it is at equal distance from previous prime (89221017887) and next prime (89221017889).

It can be written as a sum of positive squares in only one way, i.e., 44610508944 + 44610508944 = 211212^2 + 211212^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=211212.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (89221017887) by changing a digit.

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 14 ways as a sum of consecutive naturals, for example, 15204331 + ... + 15210197.

Almost surely, 2^89221017888 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89221017888

89221017888 is an abundant number, since it is smaller than the sum of its proper divisors (173220249123).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

89221017888 is an frugal number, since it uses more digits than its factorization.

89221017888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11756 (or 5872 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 54.

The spelling of 89221017888 in words is "eighty-nine billion, two hundred twenty-one million, seventeen thousand, eight hundred eighty-eight".