82742395218 has 128 divisors (see below), whose sum is σ = 201593733120. Its totient is φ = 22140410880.

The previous prime is 82742395201. The next prime is 82742395243. The reversal of 82742395218 is 81259324728.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6462403 + ... + 6475193.

It is an arithmetic number, because the mean of its divisors is an integer number (1574951040).

Almost surely, 2^82742395218 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 82742395218, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100796866560).

82742395218 is an abundant number, since it is smaller than the sum of its proper divisors (118851337902).

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

82742395218 is a wasteful number, since it uses less digits than its factorization.

82742395218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12992.

The product of its digits is 1935360, while the sum is 51.

The spelling of 82742395218 in words is "eighty-two billion, seven hundred forty-two million, three hundred ninety-five thousand, two hundred eighteen".