378795155 has 8 divisors (see below), whose sum is σ = 457825200. Its totient is φ = 300855456.

The previous prime is 378795143. The next prime is 378795199. The reversal of 378795155 is 551597873.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-378795155 is a prime.

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, 271820 + ... + 273209.

It is an arithmetic number, because the mean of its divisors is an integer number (57228150).

Almost surely, 2^378795155 is an apocalyptic number.

378795155 is a deficient number, since it is larger than the sum of its proper divisors (79030045).

378795155 is a wasteful number, since it uses less digits than its factorization.

378795155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545173.

The product of its digits is 1323000, while the sum is 50.

The square root of 378795155 is about 19462.6605324144. The cubic root of 378795155 is about 723.5493179946.

It can be divided in two parts, 37879 and 5155, that added together give a palindrome (43034).

The spelling of 378795155 in words is "three hundred seventy-eight million, seven hundred ninety-five thousand, one hundred fifty-five".