83307909 has 16 divisors (see below), whose sum is σ = 116208000. Its totient is φ = 52985856.

The previous prime is 83307869. The next prime is 83307911. The reversal of 83307909 is 90970338.

It is a happy number.

It is not a de Polignac number, because 83307909 - 2⁹ = 83307397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83307929) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29637 + ... + 32325.

It is an arithmetic number, because the mean of its divisors is an integer number (7263000).

Almost surely, 2^83307909 is an apocalyptic number.

It is an amenable number.

83307909 is a deficient number, since it is larger than the sum of its proper divisors (32900091).

83307909 is a wasteful number, since it uses less digits than its factorization.

83307909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3164.

The product of its (nonzero) digits is 40824, while the sum is 39.

The square root of 83307909 is about 9127.3166374351. The cubic root of 83307909 is about 436.7458074481.

The spelling of 83307909 in words is "eighty-three million, three hundred seven thousand, nine hundred nine".