84133289 has 8 divisors (see below), whose sum is σ = 89268480. Its totient is φ = 79018816.

The previous prime is 84133279. The next prime is 84133363. The reversal of 84133289 is 98233148.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84133289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84133279) 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, 3632 + ... + 13470.

It is an arithmetic number, because the mean of its divisors is an integer number (11158560).

Almost surely, 2^84133289 is an apocalyptic number.

It is an amenable number.

84133289 is a deficient number, since it is larger than the sum of its proper divisors (5135191).

84133289 is a wasteful number, since it uses less digits than its factorization.

84133289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10359.

The product of its digits is 41472, while the sum is 38.

The square root of 84133289 is about 9172.4200187301. The cubic root of 84133289 is about 438.1834351170.

The spelling of 84133289 in words is "eighty-four million, one hundred thirty-three thousand, two hundred eighty-nine".