378659803 has 2 divisors, whose sum is σ = 378659804. Its totient is φ = 378659802.

The previous prime is 378659779. The next prime is 378659821. The reversal of 378659803 is 308956873.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-378659803 is a prime.

It is not a weakly prime, because it can be changed into another prime (378659863) 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, 189329901 + 189329902.

It is an arithmetic number, because the mean of its divisors is an integer number (189329902).

Almost surely, 2^378659803 is an apocalyptic number.

378659803 is a deficient number, since it is larger than the sum of its proper divisors (1).

378659803 is an equidigital number, since it uses as much as digits as its factorization.

378659803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1088640, while the sum is 49.

The square root of 378659803 is about 19459.1829992937. The cubic root of 378659803 is about 723.4631275977.

The spelling of 378659803 in words is "three hundred seventy-eight million, six hundred fifty-nine thousand, eight hundred three".