89558889 has 8 divisors (see below), whose sum is σ = 136470720. Its totient is φ = 51176496.

The previous prime is 89558881. The next prime is 89558897. The reversal of 89558889 is 98885598.

It is an interprime number because it is at equal distance from previous prime (89558881) and next prime (89558897).

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

It is not a de Polignac number, because 89558889 - 2³ = 89558881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (89558881) 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, 2132334 + ... + 2132375.

It is an arithmetic number, because the mean of its divisors is an integer number (17058840).

Almost surely, 2^89558889 is an apocalyptic number.

It is an amenable number.

89558889 is a deficient number, since it is larger than the sum of its proper divisors (46911831).

89558889 is a wasteful number, since it uses less digits than its factorization.

89558889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4264719.

The product of its digits is 8294400, while the sum is 60.

The square root of 89558889 is about 9463.5558327724. Note that the first 3 decimals coincide. The cubic root of 89558889 is about 447.4071282361.

The spelling of 89558889 in words is "eighty-nine million, five hundred fifty-eight thousand, eight hundred eighty-nine".