378327679 has 4 divisors (see below), whose sum is σ = 379910880. Its totient is φ = 376744480.

The previous prime is 378327659. The next prime is 378327721. The reversal of 378327679 is 976723873.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 378327679 - 2¹¹ = 378325631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378327619) 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, 791242 + ... + 791719.

It is an arithmetic number, because the mean of its divisors is an integer number (94977720).

Almost surely, 2^378327679 is an apocalyptic number.

378327679 is a deficient number, since it is larger than the sum of its proper divisors (1583201).

378327679 is a wasteful number, since it uses less digits than its factorization.

378327679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1583200.

The product of its digits is 2667168, while the sum is 52.

The square root of 378327679 is about 19450.6472642943. The cubic root of 378327679 is about 723.2515482766.

The spelling of 378327679 in words is "three hundred seventy-eight million, three hundred twenty-seven thousand, six hundred seventy-nine".