82704472830827 has 4 divisors (see below), whose sum is σ = 82704825618936. Its totient is φ = 82704120042720.

The previous prime is 82704472830821. The next prime is 82704472830839. The reversal of 82704472830827 is 72803827440728.

It is a happy number.

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-82704472830827 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 82704472830827.

It is not an unprimeable number, because it can be changed into a prime (82704472830821) 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, 176042174 + ... + 176511347.

It is an arithmetic number, because the mean of its divisors is an integer number (20676206404734).

Almost surely, 2^{82704472830827} is an apocalyptic number.

82704472830827 is a deficient number, since it is larger than the sum of its proper divisors (352788109).

82704472830827 is a wasteful number, since it uses less digits than its factorization.

82704472830827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352788108.

The product of its (nonzero) digits is 67436544, while the sum is 62.

The spelling of 82704472830827 in words is "eighty-two trillion, seven hundred four billion, four hundred seventy-two million, eight hundred thirty thousand, eight hundred twenty-seven".