89878768 has 40 divisors (see below), whose sum is σ = 201761888. Its totient is φ = 37988352.

The previous prime is 89878757. The next prime is 89878769. The reversal of 89878768 is 86787898.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89878769) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2680 + ... + 13672.

Almost surely, 2^89878768 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 89878768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100880944).

89878768 is an abundant number, since it is smaller than the sum of its proper divisors (111883120).

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

89878768 is a wasteful number, since it uses less digits than its factorization.

89878768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11081 (or 11075 counting only the distinct ones).

The product of its digits is 10838016, while the sum is 61.

The square root of 89878768 is about 9480.4413399377. The cubic root of 89878768 is about 447.9391658468.

The spelling of 89878768 in words is "eighty-nine million, eight hundred seventy-eight thousand, seven hundred sixty-eight".