82548603280 has 160 divisors (see below), whose sum is σ = 230723982720. Its totient is φ = 27064074240.

The previous prime is 82548603257. The next prime is 82548603337. The reversal of 82548603280 is 8230684528.

It is a self number, because there is not a number n which added to its sum of digits gives 82548603280.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 408016 + ... + 575824.

It is an arithmetic number, because the mean of its divisors is an integer number (1442024892).

Almost surely, 2^82548603280 is an apocalyptic number.

82548603280 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 82548603280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115361991360).

82548603280 is an abundant number, since it is smaller than the sum of its proper divisors (148175379440).

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

82548603280 is a wasteful number, since it uses less digits than its factorization.

82548603280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167889 (or 167883 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 46.

The spelling of 82548603280 in words is "eighty-two billion, five hundred forty-eight million, six hundred three thousand, two hundred eighty".