378482791 has 4 divisors (see below), whose sum is σ = 380597400. Its totient is φ = 376368184.

The previous prime is 378482777. The next prime is 378482807. The reversal of 378482791 is 197284873.

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 378482791 - 2¹¹ = 378480743 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 (378482191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1057036 + ... + 1057393.

It is an arithmetic number, because the mean of its divisors is an integer number (95149350).

Almost surely, 2^378482791 is an apocalyptic number.

378482791 is a deficient number, since it is larger than the sum of its proper divisors (2114609).

378482791 is a wasteful number, since it uses less digits than its factorization.

378482791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2114608.

The product of its digits is 677376, while the sum is 49.

The square root of 378482791 is about 19454.6341780050. The cubic root of 378482791 is about 723.3503776532.

The spelling of 378482791 in words is "three hundred seventy-eight million, four hundred eighty-two thousand, seven hundred ninety-one".