82665210448247 has 16 divisors (see below), whose sum is σ = 94674570415680. Its totient is φ = 70705975431168.

The previous prime is 82665210448213. The next prime is 82665210448253. The reversal of 82665210448247 is 74284401256628.

It is not a de Polignac number, because 82665210448247 - 2²⁰ = 82665209399671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82665210448267) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3966779 + ... + 13456067.

It is an arithmetic number, because the mean of its divisors is an integer number (5917160650980).

Almost surely, 2^{82665210448247} is an apocalyptic number.

82665210448247 is a deficient number, since it is larger than the sum of its proper divisors (12009359967433).

82665210448247 is a wasteful number, since it uses less digits than its factorization.

82665210448247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9491930.

The product of its (nonzero) digits is 41287680, while the sum is 59.

The spelling of 82665210448247 in words is "eighty-two trillion, six hundred sixty-five billion, two hundred ten million, four hundred forty-eight thousand, two hundred forty-seven".