728627476271 has 2 divisors, whose sum is σ = 728627476272. Its totient is φ = 728627476270.

The previous prime is 728627476237. The next prime is 728627476273. The reversal of 728627476271 is 172674726827.

It is a strong prime.

It is an emirp because it is prime and its reverse (172674726827) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-728627476271 is a prime.

Together with 728627476273, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 728627476271.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (728627476273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 364313738135 + 364313738136.

It is an arithmetic number, because the mean of its divisors is an integer number (364313738136).

Almost surely, 2^728627476271 is an apocalyptic number.

728627476271 is a deficient number, since it is larger than the sum of its proper divisors (1).

728627476271 is an equidigital number, since it uses as much as digits as its factorization.

728627476271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22127616, while the sum is 59.

The spelling of 728627476271 in words is "seven hundred twenty-eight billion, six hundred twenty-seven million, four hundred seventy-six thousand, two hundred seventy-one".