8728668278 has 8 divisors (see below), whose sum is σ = 14283275400. Its totient is φ = 3967576480.

The previous prime is 8728668271. The next prime is 8728668283.

8728668278 is nontrivially palindromic in base 10.

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 8728668278.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8728668271) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 198378803 + ... + 198378846.

It is an arithmetic number, because the mean of its divisors is an integer number (1785409425).

Almost surely, 2^8728668278 is an apocalyptic number.

8728668278 is a deficient number, since it is larger than the sum of its proper divisors (5554607122).

8728668278 is a wasteful number, since it uses less digits than its factorization.

8728668278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396757662.

The product of its digits is 28901376, while the sum is 62.

The square root of 8728668278 is about 93427.3422398390. The cubic root of 8728668278 is about 2058.9667327332.

The spelling of 8728668278 in words is "eight billion, seven hundred twenty-eight million, six hundred sixty-eight thousand, two hundred seventy-eight".