83208009 has 8 divisors (see below), whose sum is σ = 110989312. Its totient is φ = 55449360.

The previous prime is 83207977. The next prime is 83208017. The reversal of 83208009 is 90080238.

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

It is not a de Polignac number, because 83208009 - 2⁵ = 83207977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83208029) 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, 6879 + ... + 14619.

It is an arithmetic number, because the mean of its divisors is an integer number (13873664).

Almost surely, 2^83208009 is an apocalyptic number.

It is an amenable number.

83208009 is a deficient number, since it is larger than the sum of its proper divisors (27781303).

83208009 is a wasteful number, since it uses less digits than its factorization.

83208009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11327.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 83208009 is about 9121.8424125831. The cubic root of 83208009 is about 436.5711607327.

The spelling of 83208009 in words is "eighty-three million, two hundred eight thousand, nine".