89680168808 has 8 divisors (see below), whose sum is σ = 168150316530. Its totient is φ = 44840084400.

The previous prime is 89680168807. The next prime is 89680168817. The reversal of 89680168808 is 80886108698.

It can be written as a sum of positive squares in only one way, i.e., 88721771044 + 958397764 = 297862^2 + 30958^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×89680168808² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (89680168807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5605010543 + ... + 5605010558.

Almost surely, 2^89680168808 is an apocalyptic number.

It is an amenable number.

89680168808 is a deficient number, since it is larger than the sum of its proper divisors (78470147722).

89680168808 is a wasteful number, since it uses less digits than its factorization.

89680168808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11210021107 (or 11210021103 counting only the distinct ones).

The product of its (nonzero) digits is 10616832, while the sum is 62.

The spelling of 89680168808 in words is "eighty-nine billion, six hundred eighty million, one hundred sixty-eight thousand, eight hundred eight".