82317163128258 has 64 divisors (see below), whose sum is σ = 166571388264960. Its totient is φ = 27117047193600.

The previous prime is 82317163128251. The next prime is 82317163128301. The reversal of 82317163128258 is 85282136171328.

It is a super-2 number, since 2×82317163128258² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 82317163128198 and 82317163128207.

It is not an unprimeable number, because it can be changed into a prime (82317163128251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1637768848 + ... + 1637819108.

It is an arithmetic number, because the mean of its divisors is an integer number (2602677941640).

Almost surely, 2^{82317163128258} is an apocalyptic number.

82317163128258 is an abundant number, since it is smaller than the sum of its proper divisors (84254225136702).

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

82317163128258 is a wasteful number, since it uses less digits than its factorization.

82317163128258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54363.

The product of its digits is 7741440, while the sum is 57.

The spelling of 82317163128258 in words is "eighty-two trillion, three hundred seventeen billion, one hundred sixty-three million, one hundred twenty-eight thousand, two hundred fifty-eight".