3978372327 has 8 divisors (see below), whose sum is σ = 5306466816. Its totient is φ = 2651263032.

The previous prime is 3978372319. The next prime is 3978372331. The reversal of 3978372327 is 7232738793.

3978372327 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 a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3978372327 - 2³ = 3978372319 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3978372327.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3978372347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 236823 + ... + 253064.

It is an arithmetic number, because the mean of its divisors is an integer number (663308352).

Almost surely, 2^3978372327 is an apocalyptic number.

3978372327 is a deficient number, since it is larger than the sum of its proper divisors (1328094489).

3978372327 is a wasteful number, since it uses less digits than its factorization.

3978372327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492597.

The product of its digits is 2667168, while the sum is 51.

The square root of 3978372327 is about 63074.3396873879. The cubic root of 3978372327 is about 1584.5348974843.

The spelling of 3978372327 in words is "three billion, nine hundred seventy-eight million, three hundred seventy-two thousand, three hundred twenty-seven".