8974783618 has 4 divisors (see below), whose sum is σ = 13462175430. Its totient is φ = 4487391808.

The previous prime is 8974783591. The next prime is 8974783711. The reversal of 8974783618 is 8163874798.

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., 8970552369 + 4231249 = 94713^2 + 2057^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2243695903 + ... + 2243695906.

Almost surely, 2^8974783618 is an apocalyptic number.

8974783618 is a deficient number, since it is larger than the sum of its proper divisors (4487391812).

8974783618 is a wasteful number, since it uses less digits than its factorization.

8974783618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4487391811.

The product of its digits is 16257024, while the sum is 61.

The square root of 8974783618 is about 94735.3345800816. The cubic root of 8974783618 is about 2078.1393322419.

The spelling of 8974783618 in words is "eight billion, nine hundred seventy-four million, seven hundred eighty-three thousand, six hundred eighteen".