378103789 has 4 divisors (see below), whose sum is σ = 432118624. Its totient is φ = 324088956.

The previous prime is 378103787. The next prime is 378103793. The reversal of 378103789 is 987301873.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 987301873 = 151 ⋅6538423.

It is a cyclic number.

It is not a de Polignac number, because 378103789 - 2¹ = 378103787 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378103787) 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 in 3 ways as a sum of consecutive naturals, for example, 27007407 + ... + 27007420.

It is an arithmetic number, because the mean of its divisors is an integer number (108029656).

Almost surely, 2^378103789 is an apocalyptic number.

It is an amenable number.

378103789 is a deficient number, since it is larger than the sum of its proper divisors (54014835).

378103789 is an equidigital number, since it uses as much as digits as its factorization.

378103789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54014834.

The product of its (nonzero) digits is 254016, while the sum is 46.

The square root of 378103789 is about 19444.8910770927. The cubic root of 378103789 is about 723.1088494548.

The spelling of 378103789 in words is "three hundred seventy-eight million, one hundred three thousand, seven hundred eighty-nine".