378713578 has 4 divisors (see below), whose sum is σ = 568070370. Its totient is φ = 189356788.

The previous prime is 378713563. The next prime is 378713603. The reversal of 378713578 is 875317873.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 329531409 + 49182169 = 18153^2 + 7013^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94678393 + ... + 94678396.

Almost surely, 2^378713578 is an apocalyptic number.

378713578 is a deficient number, since it is larger than the sum of its proper divisors (189356792).

378713578 is a wasteful number, since it uses less digits than its factorization.

378713578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189356791.

The product of its digits is 987840, while the sum is 49.

The square root of 378713578 is about 19460.5646886209. The cubic root of 378713578 is about 723.4973732784.

The spelling of 378713578 in words is "three hundred seventy-eight million, seven hundred thirteen thousand, five hundred seventy-eight".