82317163475285 has 8 divisors (see below), whose sum is σ = 98782270516440. Its totient is φ = 65852614549504.

The previous prime is 82317163475263. The next prime is 82317163475291. The reversal of 82317163475285 is 58257436171328.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 31244958498961 + 51072204976324 = 5589719^2 + 7146482^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 82317163475285 - 2¹⁸ = 82317163213141 is a prime.

It is a super-2 number, since 2×82317163475285² (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 7 ways as a sum of consecutive naturals, for example, 139204292 + ... + 139794381.

It is an arithmetic number, because the mean of its divisors is an integer number (12347783814555).

Almost surely, 2^{82317163475285} is an apocalyptic number.

It is an amenable number.

82317163475285 is a deficient number, since it is larger than the sum of its proper divisors (16465107041155).

82317163475285 is a wasteful number, since it uses less digits than its factorization.

82317163475285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279057687.

The product of its digits is 67737600, while the sum is 62.

The spelling of 82317163475285 in words is "eighty-two trillion, three hundred seventeen billion, one hundred sixty-three million, four hundred seventy-five thousand, two hundred eighty-five".