378927853 has 2 divisors, whose sum is σ = 378927854. Its totient is φ = 378927852.

The previous prime is 378927839. The next prime is 378927859. The reversal of 378927853 is 358729873.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 210888484 + 168039369 = 14522^2 + 12963^2 .

It is a cyclic number.

It is not a de Polignac number, because 378927853 - 2¹³ = 378919661 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 378927853.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (378927859) 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, 189463926 + 189463927.

It is an arithmetic number, because the mean of its divisors is an integer number (189463927).

Almost surely, 2^378927853 is an apocalyptic number.

It is an amenable number.

378927853 is a deficient number, since it is larger than the sum of its proper divisors (1).

378927853 is an equidigital number, since it uses as much as digits as its factorization.

378927853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2540160, while the sum is 52.

The square root of 378927853 is about 19466.0692745094. The cubic root of 378927853 is about 723.6337984291.

The spelling of 378927853 in words is "three hundred seventy-eight million, nine hundred twenty-seven thousand, eight hundred fifty-three".