82320733513647 has 16 divisors (see below), whose sum is σ = 122318531402080. Its totient is φ = 54717638887296.

The previous prime is 82320733513643. The next prime is 82320733513673. The reversal of 82320733513647 is 74631533702328.

82320733513647 is a `hidden beast` number, since 8 + 2 + 32 + 0 + 7 + 33 + 513 + 64 + 7 = 666.

It is not a de Polignac number, because 82320733513647 - 2² = 82320733513643 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 82320733513593 and 82320733513602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82320733513643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4523605228 + ... + 4523623425.

It is an arithmetic number, because the mean of its divisors is an integer number (7644908212630).

Almost surely, 2^{82320733513647} is an apocalyptic number.

82320733513647 is a deficient number, since it is larger than the sum of its proper divisors (39997797888433).

82320733513647 is a wasteful number, since it uses less digits than its factorization.

82320733513647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9047228999 (or 9047228993 counting only the distinct ones).

The product of its (nonzero) digits is 15240960, while the sum is 54.

The spelling of 82320733513647 in words is "eighty-two trillion, three hundred twenty billion, seven hundred thirty-three million, five hundred thirteen thousand, six hundred forty-seven".