8488478018 has 4 divisors (see below), whose sum is σ = 12732717030. Its totient is φ = 4244239008.

The previous prime is 8488477969. The next prime is 8488478041. The reversal of 8488478018 is 8108748848.

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

It can be written as a sum of positive squares in only one way, i.e., 8463448009 + 25030009 = 91997^2 + 5003^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2122119503 + ... + 2122119506.

Almost surely, 2^8488478018 is an apocalyptic number.

8488478018 is a deficient number, since it is larger than the sum of its proper divisors (4244239012).

8488478018 is a wasteful number, since it uses less digits than its factorization.

8488478018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4244239011.

The product of its (nonzero) digits is 3670016, while the sum is 56.

The square root of 8488478018 is about 92132.9366621948. The cubic root of 8488478018 is about 2039.9050015034.

The spelling of 8488478018 in words is "eight billion, four hundred eighty-eight million, four hundred seventy-eight thousand, eighteen".