89470089 has 20 divisors (see below), whose sum is σ = 134000724. Its totient is φ = 59491584.

The previous prime is 89470063. The next prime is 89470097. The reversal of 89470089 is 98007498.

It can be written as a sum of positive squares in 2 ways, for example, as 83119689 + 6350400 = 9117^2 + 2520^2 .

It is not a de Polignac number, because 89470089 - 2⁸ = 89469833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (89470489) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 35809 + ... + 38225.

Almost surely, 2^89470089 is an apocalyptic number.

It is an amenable number.

89470089 is a deficient number, since it is larger than the sum of its proper divisors (44530635).

89470089 is a wasteful number, since it uses less digits than its factorization.

89470089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2886 (or 2877 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 89470089 is about 9458.8629866385. The cubic root of 89470089 is about 447.2592073478.

The spelling of 89470089 in words is "eighty-nine million, four hundred seventy thousand, eighty-nine".