28812968339 has 2 divisors, whose sum is σ = 28812968340. Its totient is φ = 28812968338.

The previous prime is 28812968329. The next prime is 28812968369. The reversal of 28812968339 is 93386921882.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28812968339 - 2²⁸ = 28544532883 is a prime.

It is not a weakly prime, because it can be changed into another prime (28812968329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14406484169 + 14406484170.

It is an arithmetic number, because the mean of its divisors is an integer number (14406484170).

Almost surely, 2^28812968339 is an apocalyptic number.

28812968339 is a deficient number, since it is larger than the sum of its proper divisors (1).

28812968339 is an equidigital number, since it uses as much as digits as its factorization.

28812968339 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8957952, while the sum is 59.

The spelling of 28812968339 in words is "twenty-eight billion, eight hundred twelve million, nine hundred sixty-eight thousand, three hundred thirty-nine".