82530333057805 has 16 divisors (see below), whose sum is σ = 99167036024880. Its totient is φ = 65937217370112.

The previous prime is 82530333057791. The next prime is 82530333057839. The reversal of 82530333057805 is 50875033303528.

It can be written as a sum of positive squares in 8 ways, for example, as 29214911426724 + 53315421631081 = 5405082^2 + 7301741^2 .

It is a cyclic number.

It is not a de Polignac number, because 82530333057805 - 2²¹ = 82530330960653 is a prime.

It is a super-2 number, since 2×82530333057805² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13185327 + ... + 18409603.

It is an arithmetic number, because the mean of its divisors is an integer number (6197939751555).

Almost surely, 2^{82530333057805} is an apocalyptic number.

It is an amenable number.

82530333057805 is a deficient number, since it is larger than the sum of its proper divisors (16636702967075).

82530333057805 is a wasteful number, since it uses less digits than its factorization.

82530333057805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5228448.

The product of its (nonzero) digits is 9072000, while the sum is 52.

The spelling of 82530333057805 in words is "eighty-two trillion, five hundred thirty billion, three hundred thirty-three million, fifty-seven thousand, eight hundred five".