89117660 has 24 divisors (see below), whose sum is σ = 188968416. Its totient is φ = 35300160.

The previous prime is 89117659. The next prime is 89117669. The reversal of 89117660 is 6671198.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89117669) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 19571 + ... + 23690.

It is an arithmetic number, because the mean of its divisors is an integer number (7873684).

Almost surely, 2^89117660 is an apocalyptic number.

It is an amenable number.

89117660 is an abundant number, since it is smaller than the sum of its proper divisors (99850756).

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

89117660 is a wasteful number, since it uses less digits than its factorization.

89117660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43373 (or 43371 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 38.

The square root of 89117660 is about 9440.2150399236. The cubic root of 89117660 is about 446.6711726978.

The spelling of 89117660 in words is "eighty-nine million, one hundred seventeen thousand, six hundred sixty".