82123841722 has 16 divisors (see below), whose sum is σ = 138429486720. Its totient is φ = 36255341232.

The previous prime is 82123841713. The next prime is 82123841729. The reversal of 82123841722 is 22714832128.

It is not an unprimeable number, because it can be changed into a prime (82123841729) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68664822 + ... + 68666017.

It is an arithmetic number, because the mean of its divisors is an integer number (8651842920).

Almost surely, 2^82123841722 is an apocalyptic number.

82123841722 is a deficient number, since it is larger than the sum of its proper divisors (56305644998).

82123841722 is a wasteful number, since it uses less digits than its factorization.

82123841722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137330877.

The product of its digits is 86016, while the sum is 40.

The spelling of 82123841722 in words is "eighty-two billion, one hundred twenty-three million, eight hundred forty-one thousand, seven hundred twenty-two".