89816673 has 4 divisors (see below), whose sum is σ = 119755568. Its totient is φ = 59877780.

The previous prime is 89816669. The next prime is 89816681. The reversal of 89816673 is 37661898.

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 not a de Polignac number, because 89816673 - 2² = 89816669 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89816653) 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, 14969443 + ... + 14969448.

It is an arithmetic number, because the mean of its divisors is an integer number (29938892).

Almost surely, 2^89816673 is an apocalyptic number.

It is an amenable number.

89816673 is a deficient number, since it is larger than the sum of its proper divisors (29938895).

89816673 is a wasteful number, since it uses less digits than its factorization.

89816673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29938894.

The product of its digits is 435456, while the sum is 48.

The square root of 89816673 is about 9477.1658738254. The cubic root of 89816673 is about 447.8359854143.

It can be divided in two parts, 898 and 16673, that added together give a palindrome (17571).

The spelling of 89816673 in words is "eighty-nine million, eight hundred sixteen thousand, six hundred seventy-three".