378876418 has 4 divisors (see below), whose sum is σ = 568314630. Its totient is φ = 189438208.

The previous prime is 378876409. The next prime is 378876431. The reversal of 378876418 is 814678873.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 814678873 = 15349 ⋅53077.

It can be written as a sum of positive squares in only one way, i.e., 345848409 + 33028009 = 18597^2 + 5747^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94719103 + ... + 94719106.

Almost surely, 2^378876418 is an apocalyptic number.

378876418 is a deficient number, since it is larger than the sum of its proper divisors (189438212).

378876418 is a wasteful number, since it uses less digits than its factorization.

378876418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189438211.

The product of its digits is 1806336, while the sum is 52.

The square root of 378876418 is about 19464.7480846786. The cubic root of 378876418 is about 723.6010553547.

The spelling of 378876418 in words is "three hundred seventy-eight million, eight hundred seventy-six thousand, four hundred eighteen".