3278343955712 has 54 divisors (see below), whose sum is σ = 7612270787898. Its totient is φ = 1405004547072.

The previous prime is 3278343955657. The next prime is 3278343955807. The reversal of 3278343955712 is 2175593438723.

It can be written as a sum of positive squares in only one way, i.e., 2691122135296 + 587221820416 = 1640464^2 + 766304^2 .

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 5 ways as a sum of consecutive naturals, for example, 130661243 + ... + 130686330.

Almost surely, 2^{3278343955712} is an apocalyptic number.

3278343955712 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

3278343955712 is an abundant number, since it is smaller than the sum of its proper divisors (4333926832186).

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

3278343955712 is an equidigital number, since it uses as much as digits as its factorization.

3278343955712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261347603 (or 261347582 counting only the distinct ones).

The product of its digits is 38102400, while the sum is 59.

The spelling of 3278343955712 in words is "three trillion, two hundred seventy-eight billion, three hundred forty-three million, nine hundred fifty-five thousand, seven hundred twelve".