82857877722 has 40 divisors (see below), whose sum is σ = 185950217376. Its totient is φ = 27576569448.

The previous prime is 82857877721. The next prime is 82857877741. The reversal of 82857877722 is 22777875828.

It is a self number, because there is not a number n which added to its sum of digits gives 82857877722.

It is not an unprimeable number, because it can be changed into a prime (82857877721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 290448 + ... + 500075.

Almost surely, 2^82857877722 is an apocalyptic number.

82857877722 is an abundant number, since it is smaller than the sum of its proper divisors (103092339654).

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

82857877722 is a wasteful number, since it uses less digits than its factorization.

82857877722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 791184 (or 791175 counting only the distinct ones).

The product of its digits is 49172480, while the sum is 63.

The spelling of 82857877722 in words is "eighty-two billion, eight hundred fifty-seven million, eight hundred seventy-seven thousand, seven hundred twenty-two".