89882780 has 48 divisors (see below), whose sum is σ = 203970144. Its totient is φ = 33073920.

The previous prime is 89882773. The next prime is 89882797. The reversal of 89882780 is 8728898.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135650 + ... + 136310.

It is an arithmetic number, because the mean of its divisors is an integer number (4249378).

Almost surely, 2^89882780 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 89882780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101985072).

89882780 is an abundant number, since it is smaller than the sum of its proper divisors (114087364).

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

89882780 is a wasteful number, since it uses less digits than its factorization.

89882780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1206 (or 1204 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 50.

The square root of 89882780 is about 9480.6529311013. The cubic root of 89882780 is about 447.9458307698.

The spelling of 89882780 in words is "eighty-nine million, eight hundred eighty-two thousand, seven hundred eighty".