378488163 has 4 divisors (see below), whose sum is σ = 504650888. Its totient is φ = 252325440.

The previous prime is 378488141. The next prime is 378488167. The reversal of 378488163 is 361884873.

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

It is not a de Polignac number, because 378488163 - 2¹⁰ = 378487139 is a prime.

It is a super-2 number, since 2×378488163² = 286506579062229138, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (378488167) 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, 63081358 + ... + 63081363.

It is an arithmetic number, because the mean of its divisors is an integer number (126162722).

Almost surely, 2^378488163 is an apocalyptic number.

378488163 is a deficient number, since it is larger than the sum of its proper divisors (126162725).

378488163 is a wasteful number, since it uses less digits than its factorization.

378488163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126162724.

The product of its digits is 774144, while the sum is 48.

The square root of 378488163 is about 19454.7722423060. The cubic root of 378488163 is about 723.3537999310.

The spelling of 378488163 in words is "three hundred seventy-eight million, four hundred eighty-eight thousand, one hundred sixty-three".