8128255133782 has 64 divisors (see below), whose sum is σ = 14746084646400. Its totient is φ = 3282524559360.

The previous prime is 8128255133743. The next prime is 8128255133807. The reversal of 8128255133782 is 2873315528218.

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 31 ways as a sum of consecutive naturals, for example, 422040069 + ... + 422059327.

It is an arithmetic number, because the mean of its divisors is an integer number (230407572600).

Almost surely, 2^{8128255133782} is an apocalyptic number.

8128255133782 is a deficient number, since it is larger than the sum of its proper divisors (6617829512618).

8128255133782 is a wasteful number, since it uses less digits than its factorization.

8128255133782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27701.

The product of its digits is 6451200, while the sum is 55.

The spelling of 8128255133782 in words is "eight trillion, one hundred twenty-eight billion, two hundred fifty-five million, one hundred thirty-three thousand, seven hundred eighty-two".