82117316358 has 96 divisors (see below), whose sum is σ = 234871902720. Its totient is φ = 20074510080.

The previous prime is 82117316357. The next prime is 82117316387. The reversal of 82117316358 is 85361371128.

It is a happy number.

82117316358 is a `hidden beast` number, since 8 + 2 + 1 + 1 + 7 + 3 + 1 + 635 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82117316353) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1719018 + ... + 1766141.

It is an arithmetic number, because the mean of its divisors is an integer number (2446582320).

Almost surely, 2^82117316358 is an apocalyptic number.

82117316358 is an abundant number, since it is smaller than the sum of its proper divisors (152754586362).

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

82117316358 is a wasteful number, since it uses less digits than its factorization.

82117316358 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3485202 (or 3485199 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The spelling of 82117316358 in words is "eighty-two billion, one hundred seventeen million, three hundred sixteen thousand, three hundred fifty-eight".