82065697 has 8 divisors (see below), whose sum is σ = 93844800. Its totient is φ = 70300464.

The previous prime is 82065653. The next prime is 82065703. The reversal of 82065697 is 79656028.

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

It is a cyclic number.

It is not a de Polignac number, because 82065697 - 2¹⁹ = 81541409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82065097) 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 7 ways as a sum of consecutive naturals, for example, 18579 + ... + 22567.

It is an arithmetic number, because the mean of its divisors is an integer number (11730600).

Almost surely, 2^82065697 is an apocalyptic number.

It is an amenable number.

82065697 is a deficient number, since it is larger than the sum of its proper divisors (11779103).

82065697 is a wasteful number, since it uses less digits than its factorization.

82065697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6935.

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 82065697 is about 9059.0119218378. The cubic root of 82065697 is about 434.5641417515.

The spelling of 82065697 in words is "eighty-two million, sixty-five thousand, six hundred ninety-seven".