89156289 has 16 divisors (see below), whose sum is σ = 120955520. Its totient is φ = 58406400.

The previous prime is 89156267. The next prime is 89156323. The reversal of 89156289 is 98265198.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-89156289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89156489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42927 + ... + 44955.

It is an arithmetic number, because the mean of its divisors is an integer number (7559720).

Almost surely, 2^89156289 is an apocalyptic number.

It is an amenable number.

89156289 is a deficient number, since it is larger than the sum of its proper divisors (31799231).

89156289 is a wasteful number, since it uses less digits than its factorization.

89156289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2280.

The product of its digits is 311040, while the sum is 48.

The square root of 89156289 is about 9442.2607991942. The cubic root of 89156289 is about 446.7357015027.

The spelling of 89156289 in words is "eighty-nine million, one hundred fifty-six thousand, two hundred eighty-nine".