82665666314727 has 8 divisors (see below), whose sum is σ = 111290994132864. Its totient is φ = 54575391353208.

The previous prime is 82665666314687. The next prime is 82665666314797. The reversal of 82665666314727 is 72741366656628.

82665666314727 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 82665666314727 - 2³⁹ = 82115910500839 is a prime.

It is a super-2 number, since 2×82665666314727² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82665666314797) 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, 133763213793 + ... + 133763214410.

It is an arithmetic number, because the mean of its divisors is an integer number (13911374266608).

Almost surely, 2^{82665666314727} is an apocalyptic number.

82665666314727 is a deficient number, since it is larger than the sum of its proper divisors (28625327818137).

82665666314727 is a wasteful number, since it uses less digits than its factorization.

82665666314727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267526428309.

The product of its digits is 731566080, while the sum is 69.

The spelling of 82665666314727 in words is "eighty-two trillion, six hundred sixty-five billion, six hundred sixty-six million, three hundred fourteen thousand, seven hundred twenty-seven".