82320477278205 has 32 divisors (see below), whose sum is σ = 139461080897664. Its totient is φ = 41321500932096.

The previous prime is 82320477278203. The next prime is 82320477278219. The reversal of 82320477278205 is 50287277402328.

82320477278205 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 82320477278205 - 2¹ = 82320477278203 is a prime.

It is a super-2 number, since 2×82320477278205² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82320477278203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 111315594 + ... + 112052676.

It is an arithmetic number, because the mean of its divisors is an integer number (4358158778052).

Almost surely, 2^{82320477278205} is an apocalyptic number.

82320477278205 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

82320477278205 is a deficient number, since it is larger than the sum of its proper divisors (57140603619459).

82320477278205 is a wasteful number, since it uses less digits than its factorization.

82320477278205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1175085.

The product of its (nonzero) digits is 21073920, while the sum is 57.

The spelling of 82320477278205 in words is "eighty-two trillion, three hundred twenty billion, four hundred seventy-seven million, two hundred seventy-eight thousand, two hundred five".