82707128327333 has 4 divisors (see below), whose sum is σ = 82707531846060. Its totient is φ = 82706724808608.

The previous prime is 82707128327269. The next prime is 82707128327357. The reversal of 82707128327333 is 33372382170728.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 48278011304644 + 34429117022689 = 6948238^2 + 5867633^2 .

It is a cyclic number.

It is not a de Polignac number, because 82707128327333 - 2⁶ = 82707128327269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82707128327233) 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, 201451760 + ... + 201861897.

It is an arithmetic number, because the mean of its divisors is an integer number (20676882961515).

Almost surely, 2^{82707128327333} is an apocalyptic number.

It is an amenable number.

82707128327333 is a deficient number, since it is larger than the sum of its proper divisors (403518727).

82707128327333 is a wasteful number, since it uses less digits than its factorization.

82707128327333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403518726.

The product of its (nonzero) digits is 14224896, while the sum is 56.

The spelling of 82707128327333 in words is "eighty-two trillion, seven hundred seven billion, one hundred twenty-eight million, three hundred twenty-seven thousand, three hundred thirty-three".