82660850063 has 32 divisors (see below), whose sum is σ = 92804382720. Its totient is φ = 72989793760.

The previous prime is 82660850057. The next prime is 82660850081. The reversal of 82660850063 is 36005806628.

It is a Cunningham number, because it is equal to 287508²-1.

It is a cyclic number.

It is not a de Polignac number, because 82660850063 - 2⁸ = 82660849807 is a prime.

It is a super-2 number, since 2×82660850063² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 82660849996 and 82660850023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82660850033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30761906 + ... + 30764592.

It is an arithmetic number, because the mean of its divisors is an integer number (2900136960).

Almost surely, 2^82660850063 is an apocalyptic number.

82660850063 is a deficient number, since it is larger than the sum of its proper divisors (10143532657).

82660850063 is a wasteful number, since it uses less digits than its factorization.

82660850063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3307.

The product of its (nonzero) digits is 414720, while the sum is 44.

The spelling of 82660850063 in words is "eighty-two billion, six hundred sixty million, eight hundred fifty thousand, sixty-three".