82101382 has 32 divisors (see below), whose sum is σ = 137733120. Its totient is φ = 36391680.

The previous prime is 82101379. The next prime is 82101389. The reversal of 82101382 is 28310128.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82101389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168343 + ... + 168829.

It is an arithmetic number, because the mean of its divisors is an integer number (4304160).

Almost surely, 2^82101382 is an apocalyptic number.

82101382 is a deficient number, since it is larger than the sum of its proper divisors (55631738).

82101382 is a wasteful number, since it uses less digits than its factorization.

82101382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676.

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 82101382 is about 9060.9812934362. The cubic root of 82101382 is about 434.6271204576.

The spelling of 82101382 in words is "eighty-two million, one hundred one thousand, three hundred eighty-two".