83345009 has 8 divisors (see below), whose sum is σ = 91022400. Its totient is φ = 75684400.

The previous prime is 83344969. The next prime is 83345011. The reversal of 83345009 is 90054338.

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

It is not a de Polignac number, because 83345009 - 2¹² = 83340913 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (83345069) 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, 7667 + ... + 15015.

It is an arithmetic number, because the mean of its divisors is an integer number (11377800).

Almost surely, 2^83345009 is an apocalyptic number.

It is an amenable number.

83345009 is a deficient number, since it is larger than the sum of its proper divisors (7677391).

83345009 is a wasteful number, since it uses less digits than its factorization.

83345009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8391.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 83345009 is about 9129.3487719552. The cubic root of 83345009 is about 436.8106306841.

The spelling of 83345009 in words is "eighty-three million, three hundred forty-five thousand, nine".