89719219 has 4 divisors (see below), whose sum is σ = 89766144. Its totient is φ = 89672296.

The previous prime is 89719187. The next prime is 89719229. The reversal of 89719219 is 91291798.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 89719219 - 2⁵ = 89719187 is a prime.

It is a super-2 number, since 2×89719219² = 16099076515939922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89719229) 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, 20467 + ... + 24460.

It is an arithmetic number, because the mean of its divisors is an integer number (22441536).

Almost surely, 2^89719219 is an apocalyptic number.

89719219 is a deficient number, since it is larger than the sum of its proper divisors (46925).

89719219 is a wasteful number, since it uses less digits than its factorization.

89719219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46924.

The product of its digits is 81648, while the sum is 46.

The square root of 89719219 is about 9472.0229623877. The cubic root of 89719219 is about 447.6739546130.

The spelling of 89719219 in words is "eighty-nine million, seven hundred nineteen thousand, two hundred nineteen".