82716870811 has 16 divisors (see below), whose sum is σ = 89997994944. Its totient is φ = 75706389504.

The previous prime is 82716870793. The next prime is 82716870911. The reversal of 82716870811 is 11807861728.

It is a cyclic number.

It is not a de Polignac number, because 82716870811 - 2⁷ = 82716870683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82716870911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1168906 + ... + 1237648.

It is an arithmetic number, because the mean of its divisors is an integer number (5624874684).

Almost surely, 2^82716870811 is an apocalyptic number.

82716870811 is a deficient number, since it is larger than the sum of its proper divisors (7281124133).

82716870811 is a wasteful number, since it uses less digits than its factorization.

82716870811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70710.

The product of its (nonzero) digits is 301056, while the sum is 49.

The spelling of 82716870811 in words is "eighty-two billion, seven hundred sixteen million, eight hundred seventy thousand, eight hundred eleven".