3878475577 has 2 divisors, whose sum is σ = 3878475578. Its totient is φ = 3878475576.

The previous prime is 3878475571. The next prime is 3878475581. The reversal of 3878475577 is 7755748783.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3829629456 + 48846121 = 61884^2 + 6989^2 .

It is an emirp because it is prime and its reverse (7755748783) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3878475577 - 2³ = 3878475569 is a prime.

It is not a weakly prime, because it can be changed into another prime (3878475571) 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 as a sum of consecutive naturals, namely, 1939237788 + 1939237789.

It is an arithmetic number, because the mean of its divisors is an integer number (1939237789).

Almost surely, 2^3878475577 is an apocalyptic number.

It is an amenable number.

3878475577 is a deficient number, since it is larger than the sum of its proper divisors (1).

3878475577 is an equidigital number, since it uses as much as digits as its factorization.

3878475577 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46099200, while the sum is 61.

The square root of 3878475577 is about 62277.4082392644. The cubic root of 3878475577 is about 1571.1597820122.

The spelling of 3878475577 in words is "three billion, eight hundred seventy-eight million, four hundred seventy-five thousand, five hundred seventy-seven".