89673671 has 4 divisors (see below), whose sum is σ = 91012152. Its totient is φ = 88335192.

The previous prime is 89673643. The next prime is 89673677. The reversal of 89673671 is 17637698.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89673671 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 (89673677) 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, 669140 + ... + 669273.

It is an arithmetic number, because the mean of its divisors is an integer number (22753038).

Almost surely, 2^89673671 is an apocalyptic number.

89673671 is a deficient number, since it is larger than the sum of its proper divisors (1338481).

89673671 is a wasteful number, since it uses less digits than its factorization.

89673671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1338480.

The product of its digits is 381024, while the sum is 47.

The square root of 89673671 is about 9469.6183133218. The cubic root of 89673671 is about 447.5981845046.

The spelling of 89673671 in words is "eighty-nine million, six hundred seventy-three thousand, six hundred seventy-one".