3978424011 has 32 divisors (see below), whose sum is σ = 5628607488. Its totient is φ = 2494356480.

The previous prime is 3978423989. The next prime is 3978424033. The reversal of 3978424011 is 1104248793.

3978424011 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3978423989) and next prime (3978424033).

It is not a de Polignac number, because 3978424011 - 2⁹ = 3978423499 is a prime.

It is a super-2 number, since 2×3978424011² = 31655715222602656242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3978428011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2237955 + ... + 2239731.

It is an arithmetic number, because the mean of its divisors is an integer number (175893984).

Almost surely, 2^3978424011 is an apocalyptic number.

3978424011 is a deficient number, since it is larger than the sum of its proper divisors (1650183477).

3978424011 is a wasteful number, since it uses less digits than its factorization.

3978424011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2331.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 3978424011 is about 63074.7493930812. The cubic root of 3978424011 is about 1584.5417591470.

The spelling of 3978424011 in words is "three billion, nine hundred seventy-eight million, four hundred twenty-four thousand, eleven".