71829089089 has 8 divisors (see below), whose sum is σ = 74331585000. Its totient is φ = 69328301952.

The previous prime is 71829089071. The next prime is 71829089093. The reversal of 71829089089 is 98098092817.

It can be written as a sum of positive squares in 4 ways, for example, as 13039812864 + 58789276225 = 114192^2 + 242465^2 .

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 71829089089 - 2¹¹ = 71829087041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71829089099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 341364 + ... + 510085.

It is an arithmetic number, because the mean of its divisors is an integer number (9291448125).

Almost surely, 2^71829089089 is an apocalyptic number.

It is an amenable number.

71829089089 is a deficient number, since it is larger than the sum of its proper divisors (2502495911).

71829089089 is a wasteful number, since it uses less digits than its factorization.

71829089089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 854387.

The product of its (nonzero) digits is 5225472, while the sum is 61.

The spelling of 71829089089 in words is "seventy-one billion, eight hundred twenty-nine million, eighty-nine thousand, eighty-nine".