82111206 has 8 divisors (see below), whose sum is σ = 164222424. Its totient is φ = 27370400.

The previous prime is 82111201. The next prime is 82111223. The reversal of 82111206 is 60211128.

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

82111206 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82111201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6842595 + ... + 6842606.

It is an arithmetic number, because the mean of its divisors is an integer number (20527803).

Almost surely, 2^82111206 is an apocalyptic number.

82111206 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

82111206 is a wasteful number, since it uses less digits than its factorization.

82111206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13685206.

The product of its (nonzero) digits is 192, while the sum is 21.

The square root of 82111206 is about 9061.5233818602. The cubic root of 82111206 is about 434.6444551497.

The spelling of 82111206 in words is "eighty-two million, one hundred eleven thousand, two hundred six".