89668473 has 4 divisors (see below), whose sum is σ = 119557968. Its totient is φ = 59778980.

The previous prime is 89668471. The next prime is 89668487. The reversal of 89668473 is 37486698.

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 89668473 - 2¹ = 89668471 is a prime.

It is not an unprimeable number, because it can be changed into a prime (89668471) 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, 14944743 + ... + 14944748.

It is an arithmetic number, because the mean of its divisors is an integer number (29889492).

Almost surely, 2^89668473 is an apocalyptic number.

It is an amenable number.

89668473 is a deficient number, since it is larger than the sum of its proper divisors (29889495).

89668473 is a wasteful number, since it uses less digits than its factorization.

89668473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29889494.

The product of its digits is 1741824, while the sum is 51.

The square root of 89668473 is about 9469.3438526648. The cubic root of 89668473 is about 447.5895358853.

The spelling of 89668473 in words is "eighty-nine million, six hundred sixty-eight thousand, four hundred seventy-three".