378811274 has 4 divisors (see below), whose sum is σ = 568216914. Its totient is φ = 189405636.

The previous prime is 378811273. The next prime is 378811283. The reversal of 378811274 is 472118873.

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., 363169249 + 15642025 = 19057^2 + 3955^2 .

It is not an unprimeable number, because it can be changed into a prime (378811273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94702817 + ... + 94702820.

Almost surely, 2^378811274 is an apocalyptic number.

378811274 is a deficient number, since it is larger than the sum of its proper divisors (189405640).

378811274 is a wasteful number, since it uses less digits than its factorization.

378811274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189405639.

The product of its digits is 75264, while the sum is 41.

The square root of 378811274 is about 19463.0746286397. The cubic root of 378811274 is about 723.5595809963.

The spelling of 378811274 in words is "three hundred seventy-eight million, eight hundred eleven thousand, two hundred seventy-four".