88889539 has 4 divisors (see below), whose sum is σ = 89806024. Its totient is φ = 87973056.

The previous prime is 88889531. The next prime is 88889579. The reversal of 88889539 is 93598888.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 88889539 - 2³ = 88889531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88889531) 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, 458097 + ... + 458290.

It is an arithmetic number, because the mean of its divisors is an integer number (22451506).

Almost surely, 2^88889539 is an apocalyptic number.

88889539 is a deficient number, since it is larger than the sum of its proper divisors (916485).

88889539 is an equidigital number, since it uses as much as digits as its factorization.

88889539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 916484.

The product of its digits is 4976640, while the sum is 58.

The square root of 88889539 is about 9428.1248931057. The cubic root of 88889539 is about 446.2897214000.

The spelling of 88889539 in words is "eighty-eight million, eight hundred eighty-nine thousand, five hundred thirty-nine".