89236912849 has 32 divisors (see below), whose sum is σ = 105277399040. Its totient is φ = 74053429632.

The previous prime is 89236912847. The next prime is 89236912867. The reversal of 89236912849 is 94821963298.

It is not a de Polignac number, because 89236912849 - 2¹ = 89236912847 is a prime.

It is a super-2 number, since 2×89236912849² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89236912847) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20064544 + ... + 20068990.

It is an arithmetic number, because the mean of its divisors is an integer number (3289918720).

Almost surely, 2^89236912849 is an apocalyptic number.

It is an amenable number.

89236912849 is a deficient number, since it is larger than the sum of its proper divisors (16040486191).

89236912849 is a wasteful number, since it uses less digits than its factorization.

89236912849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5069.

The product of its digits is 13436928, while the sum is 61.

The spelling of 89236912849 in words is "eighty-nine billion, two hundred thirty-six million, nine hundred twelve thousand, eight hundred forty-nine".