378904719 has 4 divisors (see below), whose sum is σ = 505206296. Its totient is φ = 252603144.

The previous prime is 378904717. The next prime is 378904759. The reversal of 378904719 is 917409873.

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

It is not a de Polignac number, because 378904719 - 2¹ = 378904717 is a prime.

It is a super-2 number, since 2×378904719² = 287137572160937922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378904717) 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, 63150784 + ... + 63150789.

It is an arithmetic number, because the mean of its divisors is an integer number (126301574).

Almost surely, 2^378904719 is an apocalyptic number.

378904719 is a deficient number, since it is larger than the sum of its proper divisors (126301577).

378904719 is a wasteful number, since it uses less digits than its factorization.

378904719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126301576.

The product of its (nonzero) digits is 381024, while the sum is 48.

The square root of 378904719 is about 19465.4750519991. The cubic root of 378904719 is about 723.6190718922.

The spelling of 378904719 in words is "three hundred seventy-eight million, nine hundred four thousand, seven hundred nineteen".