89587274868 has 216 divisors, whose sum is σ = 284200419048. Its totient is φ = 23585167872.

The previous prime is 89587274827. The next prime is 89587274869. The reversal of 89587274868 is 86847278598.

It can be written as a sum of positive squares in 4 ways, for example, as 11573604 + 89575701264 = 3402^2 + 299292^2 .

It is a junction number, because it is equal to n+sod(n) for n = 89587274796 and 89587274805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89587274869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 14054130 + ... + 14060502.

Almost surely, 2^89587274868 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 89587274868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142100209524).

89587274868 is an abundant number, since it is smaller than the sum of its proper divisors (194613144180).

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

89587274868 is a wasteful number, since it uses less digits than its factorization.

89587274868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7023 (or 7011 counting only the distinct ones).

The product of its digits is 433520640, while the sum is 72.

The spelling of 89587274868 in words is "eighty-nine billion, five hundred eighty-seven million, two hundred seventy-four thousand, eight hundred sixty-eight".