28968486839 has 2 divisors, whose sum is σ = 28968486840. Its totient is φ = 28968486838.

The previous prime is 28968486823. The next prime is 28968486919. The reversal of 28968486839 is 93868486982.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28968486839 - 2⁴ = 28968486823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28968486539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14484243419 + 14484243420.

It is an arithmetic number, because the mean of its divisors is an integer number (14484243420).

Almost surely, 2^28968486839 is an apocalyptic number.

28968486839 is a deficient number, since it is larger than the sum of its proper divisors (1).

28968486839 is an equidigital number, since it uses as much as digits as its factorization.

28968486839 is an evil number, because the sum of its binary digits is even.

The product of its digits is 286654464, while the sum is 71.

The spelling of 28968486839 in words is "twenty-eight billion, nine hundred sixty-eight million, four hundred eighty-six thousand, eight hundred thirty-nine".