3447275475855 has 128 divisors (see below), whose sum is σ = 5902066114560. Its totient is φ = 1715189760000.

The previous prime is 3447275475827. The next prime is 3447275475881. The reversal of 3447275475855 is 5585745727443.

3447275475855 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 1856684²-1.

It is a de Polignac number, because none of the positive numbers 2^k-3447275475855 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1141858536 + ... + 1141861554.

It is an arithmetic number, because the mean of its divisors is an integer number (46109891520).

Almost surely, 2^{3447275475855} is an apocalyptic number.

3447275475855 is a deficient number, since it is larger than the sum of its proper divisors (2454790638705).

3447275475855 is a wasteful number, since it uses less digits than its factorization.

3447275475855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3793.

The product of its digits is 658560000, while the sum is 66.

The spelling of 3447275475855 in words is "three trillion, four hundred forty-seven billion, two hundred seventy-five million, four hundred seventy-five thousand, eight hundred fifty-five".