89311768 has 48 divisors (see below), whose sum is σ = 207258480. Its totient is φ = 35328384.

The previous prime is 89311763. The next prime is 89311771. The reversal of 89311768 is 86711398.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89311763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4746 + ... + 14182.

It is an arithmetic number, because the mean of its divisors is an integer number (4317885).

Almost surely, 2^89311768 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 89311768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103629240).

89311768 is an abundant number, since it is smaller than the sum of its proper divisors (117946712).

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

89311768 is a wasteful number, since it uses less digits than its factorization.

89311768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9476 (or 9459 counting only the distinct ones).

The product of its digits is 72576, while the sum is 43.

The square root of 89311768 is about 9450.4903576481. The cubic root of 89311768 is about 446.9952370674.

The spelling of 89311768 in words is "eighty-nine million, three hundred eleven thousand, seven hundred sixty-eight".