89118869 has 8 divisors (see below), whose sum is σ = 102214848. Its totient is φ = 76114080.

The previous prime is 89118857. The next prime is 89118889. The reversal of 89118869 is 96881198.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-89118869 is a prime.

It is a super-2 number, since 2×89118869² = 15884345623678322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89118889) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20687 + ... + 24620.

It is an arithmetic number, because the mean of its divisors is an integer number (12776856).

Almost surely, 2^89118869 is an apocalyptic number.

It is an amenable number.

89118869 is a deficient number, since it is larger than the sum of its proper divisors (13095979).

89118869 is a wasteful number, since it uses less digits than its factorization.

89118869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45595.

The product of its digits is 248832, while the sum is 50.

The square root of 89118869 is about 9440.2790742647. The cubic root of 89118869 is about 446.6731925855.

The spelling of 89118869 in words is "eighty-nine million, one hundred eighteen thousand, eight hundred sixty-nine".