88888589 has 4 divisors (see below), whose sum is σ = 89421024. Its totient is φ = 88356156.

The previous prime is 88888559. The next prime is 88888607. The reversal of 88888589 is 98588888.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-88888589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88888549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 265967 + ... + 266300.

It is an arithmetic number, because the mean of its divisors is an integer number (22355256).

Almost surely, 2^88888589 is an apocalyptic number.

It is an amenable number.

88888589 is a deficient number, since it is larger than the sum of its proper divisors (532435).

88888589 is a wasteful number, since it uses less digits than its factorization.

88888589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532434.

The product of its digits is 11796480, while the sum is 62.

The square root of 88888589 is about 9428.0745117972. The cubic root of 88888589 is about 446.2881314988.

The spelling of 88888589 in words is "eighty-eight million, eight hundred eighty-eight thousand, five hundred eighty-nine".