89173912 has 8 divisors (see below), whose sum is σ = 167201100. Its totient is φ = 44586952.

The previous prime is 89173901. The next prime is 89173933. The reversal of 89173912 is 21937198.

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

It is a congruent number.

It is an unprimeable number.

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

It is an upside-down number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5573362 + ... + 5573377.

Almost surely, 2^89173912 is an apocalyptic number.

It is an amenable number.

89173912 is a deficient number, since it is larger than the sum of its proper divisors (78027188).

89173912 is a wasteful number, since it uses less digits than its factorization.

89173912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11146745 (or 11146741 counting only the distinct ones).

The product of its digits is 27216, while the sum is 40.

The square root of 89173912 is about 9443.1939512010. The cubic root of 89173912 is about 446.7651341043.

The spelling of 89173912 in words is "eighty-nine million, one hundred seventy-three thousand, nine hundred twelve".