89328719 has 4 divisors (see below), whose sum is σ = 89434296. Its totient is φ = 89223144.

The previous prime is 89328703. The next prime is 89328751. The reversal of 89328719 is 91782398.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91782398 = 2 ⋅45891199.

It is a cyclic number.

It is not a de Polignac number, because 89328719 - 2⁴ = 89328703 is a prime.

It is a super-2 number, since 2×89328719² = 15959240076361922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89328779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51509 + ... + 53214.

It is an arithmetic number, because the mean of its divisors is an integer number (22358574).

Almost surely, 2^89328719 is an apocalyptic number.

89328719 is a deficient number, since it is larger than the sum of its proper divisors (105577).

89328719 is a wasteful number, since it uses less digits than its factorization.

89328719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105576.

The product of its digits is 217728, while the sum is 47.

The square root of 89328719 is about 9451.3871468690. The cubic root of 89328719 is about 447.0235145539.

The spelling of 89328719 in words is "eighty-nine million, three hundred twenty-eight thousand, seven hundred nineteen".