89319217 has 16 divisors (see below), whose sum is σ = 100800000. Its totient is φ = 78571584.

The previous prime is 89319199. The next prime is 89319233. The reversal of 89319217 is 71291398.

It is not a de Polignac number, because 89319217 - 2⁷ = 89319089 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 89319217.

It is not an unprimeable number, because it can be changed into a prime (89310217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28284 + ... + 31282.

It is an arithmetic number, because the mean of its divisors is an integer number (6300000).

Almost surely, 2^89319217 is an apocalyptic number.

It is an amenable number.

89319217 is a deficient number, since it is larger than the sum of its proper divisors (11480783).

89319217 is a wasteful number, since it uses less digits than its factorization.

89319217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3120.

The product of its digits is 27216, while the sum is 40.

The square root of 89319217 is about 9450.8844559650. The cubic root of 89319217 is about 447.0076638544.

The spelling of 89319217 in words is "eighty-nine million, three hundred nineteen thousand, two hundred seventeen".