89020800 has 288 divisors, whose sum is σ = 347756760. Its totient is φ = 21504000.

The previous prime is 89020781. The next prime is 89020801. The reversal of 89020800 is 802098.

It is a tau number, because it is divible by the number of its divisors (288).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89020801) 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 35 ways as a sum of consecutive naturals, for example, 316660 + ... + 316940.

Almost surely, 2^89020800 is an apocalyptic number.

89020800 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89020800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173878380).

89020800 is an abundant number, since it is smaller than the sum of its proper divisors (258735960).

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

89020800 is a wasteful number, since it uses less digits than its factorization.

89020800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322 (or 302 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 89020800 is about 9435.0834654496. The cubic root of 89020800 is about 446.5092883841.

Adding to 89020800 its reverse (802098), we get a palindrome (89822898).

The spelling of 89020800 in words is "eighty-nine million, twenty thousand, eight hundred".