3188778348 has 96 divisors (see below), whose sum is σ = 8725319680. Its totient is φ = 887423040.

The previous prime is 3188778343. The next prime is 3188778367. The reversal of 3188778348 is 8438778813.

3188778348 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (3188778343) 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, 1584663 + ... + 1586673.

Almost surely, 2^3188778348 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3188778348, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4362659840).

3188778348 is an abundant number, since it is smaller than the sum of its proper divisors (5536541332).

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

3188778348 is a wasteful number, since it uses less digits than its factorization.

3188778348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2507 (or 2505 counting only the distinct ones).

The product of its digits is 7225344, while the sum is 57.

The square root of 3188778348 is about 56469.2690584888. The cubic root of 3188778348 is about 1471.8880437014. Note that the first 3 decimals are identical.

The spelling of 3188778348 in words is "three billion, one hundred eighty-eight million, seven hundred seventy-eight thousand, three hundred forty-eight".