82097966 has 8 divisors (see below), whose sum is σ = 123329304. Its totient is φ = 40988200.

The previous prime is 82097963. The next prime is 82097989. The reversal of 82097966 is 66979028.

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

It is a self number, because there is not a number n which added to its sum of digits gives 82097966.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82097963) 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, 28685 + ... + 31416.

It is an arithmetic number, because the mean of its divisors is an integer number (15416163).

Almost surely, 2^82097966 is an apocalyptic number.

82097966 is a deficient number, since it is larger than the sum of its proper divisors (41231338).

82097966 is a wasteful number, since it uses less digits than its factorization.

82097966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60786.

The product of its (nonzero) digits is 326592, while the sum is 47.

The square root of 82097966 is about 9060.7927909207. The cubic root of 82097966 is about 434.6210925167.

The spelling of 82097966 in words is "eighty-two million, ninety-seven thousand, nine hundred sixty-six".