89716705533505 has 4 divisors (see below), whose sum is σ = 107660046640212. Its totient is φ = 71773364426800.

The previous prime is 89716705533487. The next prime is 89716705533529. The reversal of 89716705533505 is 50533550761798.

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

It can be written as a sum of positive squares in 2 ways, for example, as 46085185000449 + 43631520533056 = 6788607^2 + 6605416^2 .

It is not a de Polignac number, because 89716705533505 - 2¹³ = 89716705525313 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8971670553346 + ... + 8971670553355.

It is an arithmetic number, because the mean of its divisors is an integer number (26915011660053).

Almost surely, 2^{89716705533505} is an apocalyptic number.

It is an amenable number.

89716705533505 is a deficient number, since it is larger than the sum of its proper divisors (17943341106707).

89716705533505 is a wasteful number, since it uses less digits than its factorization.

89716705533505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17943341106706.

The product of its (nonzero) digits is 119070000, while the sum is 64.

The spelling of 89716705533505 in words is "eighty-nine trillion, seven hundred sixteen billion, seven hundred five million, five hundred thirty-three thousand, five hundred five".