327780686748 has 96 divisors (see below), whose sum is σ = 808177305600. Its totient is φ = 103111640064.

The previous prime is 327780686731. The next prime is 327780686749. The reversal of 327780686748 is 847686087723.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (327780686749) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 80474440 + ... + 80478512.

It is an arithmetic number, because the mean of its divisors is an integer number (8418513600).

Almost surely, 2^327780686748 is an apocalyptic number.

327780686748 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 327780686748, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (404088652800).

327780686748 is an abundant number, since it is smaller than the sum of its proper divisors (480396618852).

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

327780686748 is a wasteful number, since it uses less digits than its factorization.

327780686748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5371 (or 5369 counting only the distinct ones).

The product of its (nonzero) digits is 151732224, while the sum is 66.

The spelling of 327780686748 in words is "three hundred twenty-seven billion, seven hundred eighty million, six hundred eighty-six thousand, seven hundred forty-eight".