378564868 has 24 divisors (see below), whose sum is σ = 726475680. Its totient is φ = 171179520.

The previous prime is 378564821. The next prime is 378564877. The reversal of 378564868 is 868465873.

It is a super-2 number, since 2×378564868² = 286622718567714848, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13798 + ... + 30781.

It is an arithmetic number, because the mean of its divisors is an integer number (30269820).

Almost surely, 2^378564868 is an apocalyptic number.

It is an amenable number.

378564868 is a deficient number, since it is larger than the sum of its proper divisors (347910812).

378564868 is a wasteful number, since it uses less digits than its factorization.

378564868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44787 (or 44785 counting only the distinct ones).

The product of its digits is 7741440, while the sum is 55.

The square root of 378564868 is about 19456.7435096421. The cubic root of 378564868 is about 723.4026619659.

It can be divided in two parts, 37856 and 4868, that added together give a palindrome (42724).

The spelling of 378564868 in words is "three hundred seventy-eight million, five hundred sixty-four thousand, eight hundred sixty-eight".