89811139 has 8 divisors (see below), whose sum is σ = 98247168. Its totient is φ = 81420360.

The previous prime is 89811121. The next prime is 89811167. The reversal of 89811139 is 93111898.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 89811139 - 2⁵ = 89811107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89811179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7087 + ... + 15160.

It is an arithmetic number, because the mean of its divisors is an integer number (12280896).

Almost surely, 2^89811139 is an apocalyptic number.

89811139 is a deficient number, since it is larger than the sum of its proper divisors (8436029).

89811139 is a wasteful number, since it uses less digits than its factorization.

89811139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22625.

The product of its digits is 15552, while the sum is 40.

The square root of 89811139 is about 9476.8739044054. The cubic root of 89811139 is about 447.8267875109.

The spelling of 89811139 in words is "eighty-nine million, eight hundred eleven thousand, one hundred thirty-nine".