82808250780 has 96 divisors (see below), whose sum is σ = 232912044288. Its totient is φ = 21982464000.

The previous prime is 82808250773. The next prime is 82808250781. The reversal of 82808250780 is 8705280828.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82808250781) by changing a digit.

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, 24636300 + ... + 24639660.

It is an arithmetic number, because the mean of its divisors is an integer number (2426167128).

Almost surely, 2^82808250780 is an apocalyptic number.

It is an amenable number.

82808250780 is an abundant number, since it is smaller than the sum of its proper divisors (150103793508).

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

82808250780 is a wasteful number, since it uses less digits than its factorization.

82808250780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5107 (or 5105 counting only the distinct ones).

The product of its (nonzero) digits is 573440, while the sum is 48.

The spelling of 82808250780 in words is "eighty-two billion, eight hundred eight million, two hundred fifty thousand, seven hundred eighty".