89087173 has 4 divisors (see below), whose sum is σ = 101813920. Its totient is φ = 76360428.

The previous prime is 89087171. The next prime is 89087203. The reversal of 89087173 is 37178098.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 89087173 - 2¹ = 89087171 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89087171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6363363 + ... + 6363376.

It is an arithmetic number, because the mean of its divisors is an integer number (25453480).

Almost surely, 2^89087173 is an apocalyptic number.

It is an amenable number.

89087173 is a deficient number, since it is larger than the sum of its proper divisors (12726747).

89087173 is a wasteful number, since it uses less digits than its factorization.

89087173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12726746.

The product of its (nonzero) digits is 84672, while the sum is 43.

The square root of 89087173 is about 9438.6001610408. The cubic root of 89087173 is about 446.6202317388.

The spelling of 89087173 in words is "eighty-nine million, eighty-seven thousand, one hundred seventy-three".