89318971 has 4 divisors (see below), whose sum is σ = 102078832. Its totient is φ = 76559112.

The previous prime is 89318963. The next prime is 89318987. The reversal of 89318971 is 17981398.

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

It is not a de Polignac number, because 89318971 - 2³ = 89318963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89318921) 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, 6379920 + ... + 6379933.

It is an arithmetic number, because the mean of its divisors is an integer number (25519708).

Almost surely, 2^89318971 is an apocalyptic number.

89318971 is a deficient number, since it is larger than the sum of its proper divisors (12759861).

89318971 is a wasteful number, since it uses less digits than its factorization.

89318971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12759860.

The product of its digits is 108864, while the sum is 46.

The square root of 89318971 is about 9450.8714413011. The cubic root of 89318971 is about 447.0072534761.

The spelling of 89318971 in words is "eighty-nine million, three hundred eighteen thousand, nine hundred seventy-one".