89661112 has 8 divisors (see below), whose sum is σ = 168114600. Its totient is φ = 44830552.

The previous prime is 89661109. The next prime is 89661113. The reversal of 89661112 is 21116698.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89661113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5603812 + ... + 5603827.

It is an arithmetic number, because the mean of its divisors is an integer number (21014325).

Almost surely, 2^89661112 is an apocalyptic number.

It is an amenable number.

89661112 is a deficient number, since it is larger than the sum of its proper divisors (78453488).

89661112 is a wasteful number, since it uses less digits than its factorization.

89661112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11207645 (or 11207641 counting only the distinct ones).

The product of its digits is 5184, while the sum is 34.

The square root of 89661112 is about 9468.9551693944. The cubic root of 89661112 is about 447.5772878171.

The spelling of 89661112 in words is "eighty-nine million, six hundred sixty-one thousand, one hundred twelve".