83129982 has 32 divisors (see below), whose sum is σ = 181732992. Its totient is φ = 25195104.

The previous prime is 83129957. The next prime is 83129993. The reversal of 83129982 is 28992138.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2728 + ... + 13179.

It is an arithmetic number, because the mean of its divisors is an integer number (5679156).

Almost surely, 2^83129982 is an apocalyptic number.

83129982 is an abundant number, since it is smaller than the sum of its proper divisors (98603010).

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

83129982 is a wasteful number, since it uses less digits than its factorization.

83129982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15992.

The product of its digits is 62208, while the sum is 42.

The square root of 83129982 is about 9117.5644774249. The cubic root of 83129982 is about 436.4346554784.

The spelling of 83129982 in words is "eighty-three million, one hundred twenty-nine thousand, nine hundred eighty-two".