82066843 has 8 divisors (see below), whose sum is σ = 84448656. Its totient is φ = 79716000.

The previous prime is 82066813. The next prime is 82066867. The reversal of 82066843 is 34866028.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82066843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82066813) 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, 2313 + ... + 13018.

It is an arithmetic number, because the mean of its divisors is an integer number (10556082).

Almost surely, 2^82066843 is an apocalyptic number.

82066843 is a deficient number, since it is larger than the sum of its proper divisors (2381813).

82066843 is a wasteful number, since it uses less digits than its factorization.

82066843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15485.

The product of its (nonzero) digits is 55296, while the sum is 37.

The square root of 82066843 is about 9059.0751735483. The cubic root of 82066843 is about 434.5661645544.

The spelling of 82066843 in words is "eighty-two million, sixty-six thousand, eight hundred forty-three".