378724163 has 4 divisors (see below), whose sum is σ = 378798168. Its totient is φ = 378650160.

The previous prime is 378724123. The next prime is 378724211. The reversal of 378724163 is 361427873.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 378724163 - 2¹⁰ = 378723139 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 378724163.

It is not an unprimeable number, because it can be changed into a prime (378724123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28706 + ... + 39767.

It is an arithmetic number, because the mean of its divisors is an integer number (94699542).

Almost surely, 2^378724163 is an apocalyptic number.

378724163 is a deficient number, since it is larger than the sum of its proper divisors (74005).

378724163 is an equidigital number, since it uses as much as digits as its factorization.

378724163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74004.

The product of its digits is 169344, while the sum is 41.

The square root of 378724163 is about 19460.8366469687. The cubic root of 378724163 is about 723.5041137711.

The spelling of 378724163 in words is "three hundred seventy-eight million, seven hundred twenty-four thousand, one hundred sixty-three".