82668057420367 has 4 divisors (see below), whose sum is σ = 82801608402280. Its totient is φ = 82534506438456.

The previous prime is 82668057420337. The next prime is 82668057420433. The reversal of 82668057420367 is 76302475086628.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 82668057420367 - 2²⁷ = 82667923202639 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 82668057420299 and 82668057420308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82668057420337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66775490028 + ... + 66775491265.

It is an arithmetic number, because the mean of its divisors is an integer number (20700402100570).

Almost surely, 2^{82668057420367} is an apocalyptic number.

82668057420367 is a deficient number, since it is larger than the sum of its proper divisors (133550981913).

82668057420367 is a wasteful number, since it uses less digits than its factorization.

82668057420367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133550981912.

The product of its (nonzero) digits is 162570240, while the sum is 64.

The spelling of 82668057420367 in words is "eighty-two trillion, six hundred sixty-eight billion, fifty-seven million, four hundred twenty thousand, three hundred sixty-seven".