82075408880 has 20 divisors (see below), whose sum is σ = 190825325832. Its totient is φ = 32830163520.

The previous prime is 82075408781. The next prime is 82075408907. The reversal of 82075408880 is 8880457028.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 512971226 + ... + 512971385.

Almost surely, 2^82075408880 is an apocalyptic number.

82075408880 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

82075408880 is an abundant number, since it is smaller than the sum of its proper divisors (108749916952).

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

82075408880 is a wasteful number, since it uses less digits than its factorization.

82075408880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1025942624 (or 1025942618 counting only the distinct ones).

The product of its (nonzero) digits is 1146880, while the sum is 50.

The spelling of 82075408880 in words is "eighty-two billion, seventy-five million, four hundred eight thousand, eight hundred eighty".