82897223232 has 112 divisors (see below), whose sum is σ = 220701412800. Its totient is φ = 27460392960.

The previous prime is 82897223197. The next prime is 82897223237. The reversal of 82897223232 is 23232279828.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (82897223237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28973482 + ... + 28976342.

Almost surely, 2^82897223232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 82897223232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110350706400).

82897223232 is an abundant number, since it is smaller than the sum of its proper divisors (137804189568).

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

82897223232 is a wasteful number, since it uses less digits than its factorization.

82897223232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3764 (or 3754 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 48.

The spelling of 82897223232 in words is "eighty-two billion, eight hundred ninety-seven million, two hundred twenty-three thousand, two hundred thirty-two".