8728668271 has 2 divisors, whose sum is σ = 8728668272. Its totient is φ = 8728668270.

The previous prime is 8728668257. The next prime is 8728668283. The reversal of 8728668271 is 1728668278.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8728668271 - 2¹³ = 8728660079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8728668671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4364334135 + 4364334136.

It is an arithmetic number, because the mean of its divisors is an integer number (4364334136).

Almost surely, 2^8728668271 is an apocalyptic number.

8728668271 is a deficient number, since it is larger than the sum of its proper divisors (1).

8728668271 is an equidigital number, since it uses as much as digits as its factorization.

8728668271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3612672, while the sum is 55.

The square root of 8728668271 is about 93427.3422023767. The cubic root of 8728668271 is about 2058.9667321828.

The spelling of 8728668271 in words is "eight billion, seven hundred twenty-eight million, six hundred sixty-eight thousand, two hundred seventy-one".