378768225 has 24 divisors (see below), whose sum is σ = 683161632. Its totient is φ = 183644800.

The previous prime is 378768193. The next prime is 378768239. The reversal of 378768225 is 522867873.

It is not a de Polignac number, because 378768225 - 2⁵ = 378768193 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 228732 + ... + 230381.

It is an arithmetic number, because the mean of its divisors is an integer number (28465068).

Almost surely, 2^378768225 is an apocalyptic number.

It is an amenable number.

378768225 is a deficient number, since it is larger than the sum of its proper divisors (304393407).

378768225 is a wasteful number, since it uses less digits than its factorization.

378768225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459137 (or 459132 counting only the distinct ones).

The product of its digits is 1128960, while the sum is 48.

The square root of 378768225 is about 19461.9686825357. The cubic root of 378768225 is about 723.5321709564.

The spelling of 378768225 in words is "three hundred seventy-eight million, seven hundred sixty-eight thousand, two hundred twenty-five".