3978920303 has 4 divisors (see below), whose sum is σ = 3979675080. Its totient is φ = 3978165528.

The previous prime is 3978920269. The next prime is 3978920327. The reversal of 3978920303 is 3030298793.

3978920303 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3978920303 - 2¹⁴ = 3978903919 is a prime.

It is a super-2 number, since 2×3978920303² = 31663613555251223618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3978920353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 369425 + ... + 380042.

It is an arithmetic number, because the mean of its divisors is an integer number (994918770).

Almost surely, 2^3978920303 is an apocalyptic number.

3978920303 is a deficient number, since it is larger than the sum of its proper divisors (754777).

3978920303 is an equidigital number, since it uses as much as digits as its factorization.

3978920303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 754776.

The product of its (nonzero) digits is 244944, while the sum is 44.

The square root of 3978920303 is about 63078.6834279220. The cubic root of 3978920303 is about 1584.6076447589.

The spelling of 3978920303 in words is "three billion, nine hundred seventy-eight million, nine hundred twenty thousand, three hundred three".