82316625686781 has 8 divisors (see below), whose sum is σ = 109755773086080. Its totient is φ = 54877614372672.

The previous prime is 82316625686731. The next prime is 82316625686821. The reversal of 82316625686781 is 18768652661328.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 82316625686781 - 2⁷ = 82316625686653 is a prime.

It is a super-3 number, since 3×82316625686781³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82316625686731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32601420 + ... + 35035493.

It is an arithmetic number, because the mean of its divisors is an integer number (13719471635760).

Almost surely, 2^{82316625686781} is an apocalyptic number.

It is an amenable number.

82316625686781 is a deficient number, since it is larger than the sum of its proper divisors (27439147399299).

82316625686781 is a wasteful number, since it uses less digits than its factorization.

82316625686781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68042595.

The product of its digits is 278691840, while the sum is 69.

The spelling of 82316625686781 in words is "eighty-two trillion, three hundred sixteen billion, six hundred twenty-five million, six hundred eighty-six thousand, seven hundred eighty-one".