83831000009 has 8 divisors (see below), whose sum is σ = 84455658912. Its totient is φ = 83208303360.

The previous prime is 83830999963. The next prime is 83831000027. The reversal of 83831000009 is 90000013838.

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-83831000009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83831000059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 404747 + ... + 575744.

It is an arithmetic number, because the mean of its divisors is an integer number (10556957364).

Almost surely, 2^83831000009 is an apocalyptic number.

It is an amenable number.

83831000009 is a deficient number, since it is larger than the sum of its proper divisors (624658903).

83831000009 is a wasteful number, since it uses less digits than its factorization.

83831000009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 981127.

The product of its (nonzero) digits is 5184, while the sum is 32.

The spelling of 83831000009 in words is "eighty-three billion, eight hundred thirty-one million, nine", and thus it is an aban number.