89698775688 has 96 divisors (see below), whose sum is σ = 247397342400. Its totient is φ = 29351700864.

The previous prime is 89698775681. The next prime is 89698775717. The reversal of 89698775688 is 88657789698.

It is a super-2 number, since 2×89698775688² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (89698775681) 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 23 ways as a sum of consecutive naturals, for example, 3099381 + ... + 3128187.

It is an arithmetic number, because the mean of its divisors is an integer number (2577055650).

Almost surely, 2^89698775688 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 89698775688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123698671200).

89698775688 is an abundant number, since it is smaller than the sum of its proper divisors (157698566712).

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

89698775688 is a wasteful number, since it uses less digits than its factorization.

89698775688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29611 (or 29604 counting only the distinct ones).

The product of its digits is 2926264320, while the sum is 81.

The spelling of 89698775688 in words is "eighty-nine billion, six hundred ninety-eight million, seven hundred seventy-five thousand, six hundred eighty-eight".