82317421522854 has 24 divisors (see below), whose sum is σ = 203833615199760. Its totient is φ = 23519263292208.

The previous prime is 82317421522849. The next prime is 82317421522877. The reversal of 82317421522854 is 45822512471328.

82317421522854 is a `hidden beast` number, since 8 + 2 + 3 + 17 + 4 + 21 + 522 + 85 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 82317421522854.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 326656434489 + ... + 326656434740.

It is an arithmetic number, because the mean of its divisors is an integer number (8493067299990).

Almost surely, 2^{82317421522854} is an apocalyptic number.

82317421522854 is an abundant number, since it is smaller than the sum of its proper divisors (121516193676906).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82317421522854 is a wasteful number, since it uses less digits than its factorization.

82317421522854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653312869244 (or 653312869241 counting only the distinct ones).

The product of its digits is 8601600, while the sum is 54.

The spelling of 82317421522854 in words is "eighty-two trillion, three hundred seventeen billion, four hundred twenty-one million, five hundred twenty-two thousand, eight hundred fifty-four".