728280654707 has 2 divisors, whose sum is σ = 728280654708. Its totient is φ = 728280654706.

The previous prime is 728280654671. The next prime is 728280654709. The reversal of 728280654707 is 707456082827.

728280654707 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-728280654707 is a prime.

It is a super-2 number, since 2×728280654707² (a number of 25 digits) contains 22 as substring.

Together with 728280654709, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (728280654709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 364140327353 + 364140327354.

It is an arithmetic number, because the mean of its divisors is an integer number (364140327354).

Almost surely, 2^728280654707 is an apocalyptic number.

728280654707 is a deficient number, since it is larger than the sum of its proper divisors (1).

728280654707 is an equidigital number, since it uses as much as digits as its factorization.

728280654707 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10536960, while the sum is 56.

The spelling of 728280654707 in words is "seven hundred twenty-eight billion, two hundred eighty million, six hundred fifty-four thousand, seven hundred seven".