728611253879 has 2 divisors, whose sum is σ = 728611253880. Its totient is φ = 728611253878.

The previous prime is 728611253863. The next prime is 728611253941. The reversal of 728611253879 is 978352116827.

It is a weak prime.

It is an emirp because it is prime and its reverse (978352116827) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 728611253879 - 2⁴ = 728611253863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (728611253819) 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, 364305626939 + 364305626940.

It is an arithmetic number, because the mean of its divisors is an integer number (364305626940).

Almost surely, 2^728611253879 is an apocalyptic number.

728611253879 is a deficient number, since it is larger than the sum of its proper divisors (1).

728611253879 is an equidigital number, since it uses as much as digits as its factorization.

728611253879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10160640, while the sum is 59.

The spelling of 728611253879 in words is "seven hundred twenty-eight billion, six hundred eleven million, two hundred fifty-three thousand, eight hundred seventy-nine".