82707776577208 has 8 divisors (see below), whose sum is σ = 155077081082280. Its totient is φ = 41353888288600.

The previous prime is 82707776577199. The next prime is 82707776577311. The reversal of 82707776577208 is 80277567770728.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5169236036068 + ... + 5169236036083.

It is an arithmetic number, because the mean of its divisors is an integer number (19384635135285).

Almost surely, 2^{82707776577208} is an apocalyptic number.

It is an amenable number.

82707776577208 is a deficient number, since it is larger than the sum of its proper divisors (72369304505072).

82707776577208 is a wasteful number, since it uses less digits than its factorization.

82707776577208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10338472072157 (or 10338472072153 counting only the distinct ones).

The product of its (nonzero) digits is 903544320, while the sum is 73.

The spelling of 82707776577208 in words is "eighty-two trillion, seven hundred seven billion, seven hundred seventy-six million, five hundred seventy-seven thousand, two hundred eight".