82668286737578 has 8 divisors (see below), whose sum is σ = 125853212645472. Its totient is φ = 40717215855756.

The previous prime is 82668286737577. The next prime is 82668286737613. The reversal of 82668286737578 is 87573768286628.

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

It is a junction number, because it is equal to n+sod(n) for n = 82668286737496 and 82668286737505.

It is not an unprimeable number, because it can be changed into a prime (82668286737577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 308463756350 + ... + 308463756617.

It is an arithmetic number, because the mean of its divisors is an integer number (15731651580684).

Almost surely, 2^{82668286737578} is an apocalyptic number.

82668286737578 is a deficient number, since it is larger than the sum of its proper divisors (43184925907894).

82668286737578 is a wasteful number, since it uses less digits than its factorization.

82668286737578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616927513036.

The product of its digits is 18207866880, while the sum is 83.

The spelling of 82668286737578 in words is "eighty-two trillion, six hundred sixty-eight billion, two hundred eighty-six million, seven hundred thirty-seven thousand, five hundred seventy-eight".