89285905408 has 88 divisors (see below), whose sum is σ = 204162867200. Its totient is φ = 38231543808.

The previous prime is 89285905381. The next prime is 89285905409. The reversal of 89285905408 is 80450958298.

It is not an unprimeable number, because it can be changed into a prime (89285905409) 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, 9163003 + ... + 9172741.

Almost surely, 2^89285905408 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 89285905408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102081433600).

89285905408 is an abundant number, since it is smaller than the sum of its proper divisors (114876961792).

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

89285905408 is a wasteful number, since it uses less digits than its factorization.

89285905408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11045 (or 11027 counting only the distinct ones).

The product of its (nonzero) digits is 8294400, while the sum is 58.

The spelling of 89285905408 in words is "eighty-nine billion, two hundred eighty-five million, nine hundred five thousand, four hundred eight".