89958239829 has 12 divisors (see below), whose sum is σ = 129942430956. Its totient is φ = 59970890112.

The previous prime is 89958239797. The next prime is 89958239849. The reversal of 89958239829 is 92893285998.

89958239829 is a `hidden beast` number, since 8 + 9 + 9 + 582 + 39 + 8 + 2 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 5380222500 + 84578017329 = 73350^2 + 290823^2 .

It is not a de Polignac number, because 89958239829 - 2⁵ = 89958239797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89958239849) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 570139 + ... + 710615.

It is an arithmetic number, because the mean of its divisors is an integer number (10828535913).

Almost surely, 2^89958239829 is an apocalyptic number.

It is an amenable number.

89958239829 is a deficient number, since it is larger than the sum of its proper divisors (39984191127).

89958239829 is a wasteful number, since it uses less digits than its factorization.

89958239829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211636 (or 211633 counting only the distinct ones).

The product of its digits is 201553920, while the sum is 72.

The spelling of 89958239829 in words is "eighty-nine billion, nine hundred fifty-eight million, two hundred thirty-nine thousand, eight hundred twenty-nine".