89978308 has 36 divisors (see below), whose sum is σ = 185410512. Its totient is φ = 38090640.

The previous prime is 89978303. The next prime is 89978311. The reversal of 89978308 is 80387998.

It is not an unprimeable number, because it can be changed into a prime (89978303) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13503 + ... + 19033.

It is an arithmetic number, because the mean of its divisors is an integer number (5150292).

Almost surely, 2^89978308 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 89978308, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92705256).

89978308 is an abundant number, since it is smaller than the sum of its proper divisors (95432204).

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

89978308 is a wasteful number, since it uses less digits than its factorization.

89978308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5632 (or 5623 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 52.

The square root of 89978308 is about 9485.6896428251. The cubic root of 89978308 is about 448.1044678251.

The spelling of 89978308 in words is "eighty-nine million, nine hundred seventy-eight thousand, three hundred eight".