89216623 has 4 divisors (see below), whose sum is σ = 90136480. Its totient is φ = 88296768.

The previous prime is 89216591. The next prime is 89216639. The reversal of 89216623 is 32661298.

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 89216623 - 2⁵ = 89216591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89216693) 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, 459783 + ... + 459976.

It is an arithmetic number, because the mean of its divisors is an integer number (22534120).

Almost surely, 2^89216623 is an apocalyptic number.

89216623 is a deficient number, since it is larger than the sum of its proper divisors (919857).

89216623 is an equidigital number, since it uses as much as digits as its factorization.

89216623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 919856.

The product of its digits is 31104, while the sum is 37.

The square root of 89216623 is about 9445.4551504943. The cubic root of 89216623 is about 446.8364507018.

The spelling of 89216623 in words is "eighty-nine million, two hundred sixteen thousand, six hundred twenty-three".