378964868 has 6 divisors (see below), whose sum is σ = 663188526. Its totient is φ = 189482432.

The previous prime is 378964849. The next prime is 378964903. The reversal of 378964868 is 868469873.

It can be written as a sum of positive squares in only one way, i.e., 310041664 + 68923204 = 17608^2 + 8302^2 .

It is a super-2 number, since 2×378964868² = 287228742356514848, which contains 22 as substring.

It is an unprimeable number.

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, 47370605 + ... + 47370612.

It is an arithmetic number, because the mean of its divisors is an integer number (110531421).

Almost surely, 2^378964868 is an apocalyptic number.

It is an amenable number.

378964868 is a deficient number, since it is larger than the sum of its proper divisors (284223658).

378964868 is a wasteful number, since it uses less digits than its factorization.

378964868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94741221 (or 94741219 counting only the distinct ones).

The product of its digits is 13934592, while the sum is 59.

The square root of 378964868 is about 19467.0200082088. The cubic root of 378964868 is about 723.6573600233.

The spelling of 378964868 in words is "three hundred seventy-eight million, nine hundred sixty-four thousand, eight hundred sixty-eight".