8473984378 has 8 divisors (see below), whose sum is σ = 12712769172. Its totient is φ = 4236394656.

The previous prime is 8473984361. The next prime is 8473984429. The reversal of 8473984378 is 8734893748.

It can be written as a sum of positive squares in 2 ways, for example, as 6405281089 + 2068703289 = 80033^2 + 45483^2 .

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

It is a super-2 number, since 2×8473984378² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 280825 + ... + 309532.

Almost surely, 2^8473984378 is an apocalyptic number.

8473984378 is a deficient number, since it is larger than the sum of its proper divisors (4238784794).

8473984378 is a wasteful number, since it uses less digits than its factorization.

8473984378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597536.

The product of its digits is 32514048, while the sum is 61.

The square root of 8473984378 is about 92054.2469308179. The cubic root of 8473984378 is about 2038.7433291000.

The spelling of 8473984378 in words is "eight billion, four hundred seventy-three million, nine hundred eighty-four thousand, three hundred seventy-eight".