82421205088 has 48 divisors (see below), whose sum is σ = 169410044160. Its totient is φ = 39398299776.

The previous prime is 82421205079. The next prime is 82421205089. The reversal of 82421205088 is 88050212428.

It is a self number, because there is not a number n which added to its sum of digits gives 82421205088.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82421205089) 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, 1434253 + ... + 1490611.

It is an arithmetic number, because the mean of its divisors is an integer number (3529375920).

Almost surely, 2^82421205088 is an apocalyptic number.

It is an amenable number.

82421205088 is an abundant number, since it is smaller than the sum of its proper divisors (86988839072).

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

82421205088 is a wasteful number, since it uses less digits than its factorization.

82421205088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58379 (or 58371 counting only the distinct ones).

The product of its (nonzero) digits is 81920, while the sum is 40.

The spelling of 82421205088 in words is "eighty-two billion, four hundred twenty-one million, two hundred five thousand, eighty-eight".