82211358680624 has 20 divisors (see below), whose sum is σ = 159549539920680. Its totient is φ = 41037283862400.

The previous prime is 82211358680617. The next prime is 82211358680629. The reversal of 82211358680624 is 42608685311228.

It is a super-2 number, since 2×82211358680624² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 82211358680624.

It is not an unprimeable number, because it can be changed into a prime (82211358680629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4274707454 + ... + 4274726685.

It is an arithmetic number, because the mean of its divisors is an integer number (7977476996034).

Almost surely, 2^{82211358680624} is an apocalyptic number.

It is an amenable number.

82211358680624 is a deficient number, since it is larger than the sum of its proper divisors (77338181240056).

82211358680624 is a wasteful number, since it uses less digits than its factorization.

82211358680624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8549434748 (or 8549434742 counting only the distinct ones).

The product of its (nonzero) digits is 8847360, while the sum is 56.

The spelling of 82211358680624 in words is "eighty-two trillion, two hundred eleven billion, three hundred fifty-eight million, six hundred eighty thousand, six hundred twenty-four".