8779018 has 4 divisors (see below), whose sum is σ = 13168530. Its totient is φ = 4389508.

The previous prime is 8779013. The next prime is 8779019. The reversal of 8779018 is 8109778.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8109778 = 2 ⋅4054889.

It can be written as a sum of positive squares in only one way, i.e., 4481689 + 4297329 = 2117^2 + 2073^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (8779013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2194753 + ... + 2194756.

Almost surely, 2^8779018 is an apocalyptic number.

8779018 is a deficient number, since it is larger than the sum of its proper divisors (4389512).

8779018 is a wasteful number, since it uses less digits than its factorization.

8779018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4389511.

The product of its (nonzero) digits is 28224, while the sum is 40.

The square root of 8779018 is about 2962.9407688984. The cubic root of 8779018 is about 206.2918068909.

The spelling of 8779018 in words is "eight million, seven hundred seventy-nine thousand, eighteen".