82665668006078 has 8 divisors (see below), whose sum is σ = 124202782903872. Its totient is φ = 41264740371456.

The previous prime is 82665668006041. The next prime is 82665668006093. The reversal of 82665668006078 is 87060086656628.

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

It is a super-2 number, since 2×82665668006078² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 82665668005999 and 82665668006017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34046814275 + ... + 34046816702.

It is an arithmetic number, because the mean of its divisors is an integer number (15525347862984).

Almost surely, 2^{82665668006078} is an apocalyptic number.

82665668006078 is a deficient number, since it is larger than the sum of its proper divisors (41537114897794).

82665668006078 is a wasteful number, since it uses less digits than its factorization.

82665668006078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68093631586.

The product of its (nonzero) digits is 278691840, while the sum is 68.

The spelling of 82665668006078 in words is "eighty-two trillion, six hundred sixty-five billion, six hundred sixty-eight million, six thousand, seventy-eight".