378971743 has 4 divisors (see below), whose sum is σ = 379011528. Its totient is φ = 378931960.

The previous prime is 378971741. The next prime is 378971821. The reversal of 378971743 is 347179873.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 378971743 - 2¹ = 378971741 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 (378971741) 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, 3813 + ... + 27793.

It is an arithmetic number, because the mean of its divisors is an integer number (94752882).

Almost surely, 2^378971743 is an apocalyptic number.

378971743 is a deficient number, since it is larger than the sum of its proper divisors (39785).

378971743 is a wasteful number, since it uses less digits than its factorization.

378971743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39784.

The product of its digits is 889056, while the sum is 49.

The square root of 378971743 is about 19467.1965881069. The cubic root of 378971743 is about 723.6617360792.

The spelling of 378971743 in words is "three hundred seventy-eight million, nine hundred seventy-one thousand, seven hundred forty-three".