82220866068 has 48 divisors (see below), whose sum is σ = 209564752320. Its totient is φ = 24882643200.

The previous prime is 82220866067. The next prime is 82220866109. The reversal of 82220866068 is 86066802228.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82220866067) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 308803 + ... + 509706.

It is an arithmetic number, because the mean of its divisors is an integer number (4365932340).

Almost surely, 2^82220866068 is an apocalyptic number.

It is an amenable number.

82220866068 is an abundant number, since it is smaller than the sum of its proper divisors (127343886252).

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

82220866068 is a wasteful number, since it uses less digits than its factorization.

82220866068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 819288 (or 819286 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 48.

The spelling of 82220866068 in words is "eighty-two billion, two hundred twenty million, eight hundred sixty-six thousand, sixty-eight".