3978647314 has 8 divisors (see below), whose sum is σ = 6049724220. Its totient is φ = 1962072576.

The previous prime is 3978647311. The next prime is 3978647357. The reversal of 3978647314 is 4137468793.

3978647314 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3625846225 + 352801089 = 60215^2 + 18783^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (3978647311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13625359 + ... + 13625650.

Almost surely, 2^3978647314 is an apocalyptic number.

3978647314 is a deficient number, since it is larger than the sum of its proper divisors (2071076906).

3978647314 is a wasteful number, since it uses less digits than its factorization.

3978647314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27251084.

The product of its digits is 3048192, while the sum is 52.

The square root of 3978647314 is about 63076.5195139998. The cubic root of 3978647314 is about 1584.5714045801.

The spelling of 3978647314 in words is "three billion, nine hundred seventy-eight million, six hundred forty-seven thousand, three hundred fourteen".