8478240506 has 8 divisors (see below), whose sum is σ = 12957311124. Its totient is φ = 4159136800.

The previous prime is 8478240503. The next prime is 8478240521. The reversal of 8478240506 is 6050428748.

It can be written as a sum of positive squares in 2 ways, for example, as 8472282025 + 5958481 = 92045^2 + 2441^2 .

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

It is not an unprimeable number, because it can be changed into a prime (8478240503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39991595 + ... + 39991806.

Almost surely, 2^8478240506 is an apocalyptic number.

8478240506 is a deficient number, since it is larger than the sum of its proper divisors (4479070618).

8478240506 is a wasteful number, since it uses less digits than its factorization.

8478240506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79983456.

The product of its (nonzero) digits is 430080, while the sum is 44.

The square root of 8478240506 is about 92077.3615282280. The cubic root of 8478240506 is about 2039.0845971451.

The spelling of 8478240506 in words is "eight billion, four hundred seventy-eight million, two hundred forty thousand, five hundred six".