378876225641 has 2 divisors, whose sum is σ = 378876225642. Its totient is φ = 378876225640.

The previous prime is 378876225577. The next prime is 378876225703. The reversal of 378876225641 is 146522678873.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 252546451600 + 126329774041 = 502540^2 + 355429^2 .

It is a cyclic number.

It is not a de Polignac number, because 378876225641 - 2⁶ = 378876225577 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (378876221641) 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 as a sum of consecutive naturals, namely, 189438112820 + 189438112821.

It is an arithmetic number, because the mean of its divisors is an integer number (189438112821).

Almost surely, 2^378876225641 is an apocalyptic number.

It is an amenable number.

378876225641 is a deficient number, since it is larger than the sum of its proper divisors (1).

378876225641 is an equidigital number, since it uses as much as digits as its factorization.

378876225641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27095040, while the sum is 59.

The spelling of 378876225641 in words is "three hundred seventy-eight billion, eight hundred seventy-six million, two hundred twenty-five thousand, six hundred forty-one".