83129208 has 32 divisors (see below), whose sum is σ = 208078800. Its totient is φ = 27675648.

The previous prime is 83129203. The next prime is 83129227. The reversal of 83129208 is 80292138.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83129203) 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, 24648 + ... + 27816.

Almost surely, 2^83129208 is an apocalyptic number.

It is an amenable number.

83129208 is an abundant number, since it is smaller than the sum of its proper divisors (124949592).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

83129208 is a wasteful number, since it uses less digits than its factorization.

83129208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4271 (or 4267 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 83129208 is about 9117.5220317803. The cubic root of 83129208 is about 436.4333009672.

The spelling of 83129208 in words is "eighty-three million, one hundred twenty-nine thousand, two hundred eight".