82543892880 has 160 divisors (see below), whose sum is σ = 267705865728. Its totient is φ = 21017804800.

The previous prime is 82543892863. The next prime is 82543892891. The reversal of 82543892880 is 8829834528.

It is a self number, because there is not a number n which added to its sum of digits gives 82543892880.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 373240 + ... + 551720.

Almost surely, 2^82543892880 is an apocalyptic number.

82543892880 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 82543892880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133852932864).

82543892880 is an abundant number, since it is smaller than the sum of its proper divisors (185161972848).

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

82543892880 is a wasteful number, since it uses less digits than its factorization.

82543892880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178585 (or 178579 counting only the distinct ones).

The product of its (nonzero) digits is 8847360, while the sum is 57.

The spelling of 82543892880 in words is "eighty-two billion, five hundred forty-three million, eight hundred ninety-two thousand, eight hundred eighty".