89521080 has 64 divisors (see below), whose sum is σ = 292982400. Its totient is φ = 21701760.

The previous prime is 89521079. The next prime is 89521097. The reversal of 89521080 is 8012598.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32590 + ... + 35229.

It is an arithmetic number, because the mean of its divisors is an integer number (4577850).

Almost surely, 2^89521080 is an apocalyptic number.

It is an amenable number.

89521080 is an abundant number, since it is smaller than the sum of its proper divisors (203461320).

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

89521080 is a wasteful number, since it uses less digits than its factorization.

89521080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67844 (or 67840 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 33.

The square root of 89521080 is about 9461.5580112368. The cubic root of 89521080 is about 447.3441588785.

The spelling of 89521080 in words is "eighty-nine million, five hundred twenty-one thousand, eighty".