3878268673 has 2 divisors, whose sum is σ = 3878268674. Its totient is φ = 3878268672.

The previous prime is 3878268649. The next prime is 3878268683. The reversal of 3878268673 is 3768628783.

3878268673 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3874689009 + 3579664 = 62247^2 + 1892^2 .

It is a cyclic number.

It is not a de Polignac number, because 3878268673 - 2¹³ = 3878260481 is a prime.

It is not a weakly prime, because it can be changed into another prime (3878268623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1939134336 + 1939134337.

It is an arithmetic number, because the mean of its divisors is an integer number (1939134337).

Almost surely, 2^3878268673 is an apocalyptic number.

It is an amenable number.

3878268673 is a deficient number, since it is larger than the sum of its proper divisors (1).

3878268673 is an equidigital number, since it uses as much as digits as its factorization.

3878268673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16257024, while the sum is 58.

The square root of 3878268673 is about 62275.7470689834. The cubic root of 3878268673 is about 1571.1318427684.

The spelling of 3878268673 in words is "three billion, eight hundred seventy-eight million, two hundred sixty-eight thousand, six hundred seventy-three".