82704037557067 has 4 divisors (see below), whose sum is σ = 82713028112800. Its totient is φ = 82695047001336.

The previous prime is 82704037557041. The next prime is 82704037557083. The reversal of 82704037557067 is 76075573040728.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82704037557067 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 82704037556996 and 82704037557014.

It is not an unprimeable number, because it can be changed into a prime (82704037557667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4495264068 + ... + 4495282465.

It is an arithmetic number, because the mean of its divisors is an integer number (20678257028200).

Almost surely, 2^{82704037557067} is an apocalyptic number.

82704037557067 is a deficient number, since it is larger than the sum of its proper divisors (8990555733).

82704037557067 is an equidigital number, since it uses as much as digits as its factorization.

82704037557067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8990555732.

The product of its (nonzero) digits is 69148800, while the sum is 61.

The spelling of 82704037557067 in words is "eighty-two trillion, seven hundred four billion, thirty-seven million, five hundred fifty-seven thousand, sixty-seven".