82317421522855 has 16 divisors (see below), whose sum is σ = 99224996419584. Its totient is φ = 65557883532960.

The previous prime is 82317421522849. The next prime is 82317421522877. The reversal of 82317421522855 is 55822512471328.

It is not a de Polignac number, because 82317421522855 - 2¹⁷ = 82317421391783 is a prime.

It is a super-3 number, since 3×82317421522855³ (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 82317421522796 and 82317421522805.

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, 111098422 + ... + 111836908.

It is an arithmetic number, because the mean of its divisors is an integer number (6201562276224).

Almost surely, 2^{82317421522855} is an apocalyptic number.

82317421522855 is a deficient number, since it is larger than the sum of its proper divisors (16907574896729).

82317421522855 is a wasteful number, since it uses less digits than its factorization.

82317421522855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 838686.

The product of its digits is 10752000, while the sum is 55.

The spelling of 82317421522855 in words is "eighty-two trillion, three hundred seventeen billion, four hundred twenty-one million, five hundred twenty-two thousand, eight hundred fifty-five".