8078726618 has 8 divisors (see below), whose sum is σ = 12181536000. Its totient is φ = 4018214620.

The previous prime is 8078726597. The next prime is 8078726627. The reversal of 8078726618 is 8166278708.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 8078726618.

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, 10573868 + ... + 10574631.

It is an arithmetic number, because the mean of its divisors is an integer number (1522692000).

Almost surely, 2^8078726618 is an apocalyptic number.

8078726618 is a deficient number, since it is larger than the sum of its proper divisors (4102809382).

8078726618 is a wasteful number, since it uses less digits than its factorization.

8078726618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21148692.

The product of its (nonzero) digits is 1806336, while the sum is 53.

The square root of 8078726618 is about 89881.7368434767. The cubic root of 8078726618 is about 2006.5391479705.

The spelling of 8078726618 in words is "eight billion, seventy-eight million, seven hundred twenty-six thousand, six hundred eighteen".