28861860683 has 2 divisors, whose sum is σ = 28861860684. Its totient is φ = 28861860682.

The previous prime is 28861860659. The next prime is 28861860691. The reversal of 28861860683 is 38606816882.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28861860683 - 2⁸ = 28861860427 is a prime.

It is not a weakly prime, because it can be changed into another prime (28861860383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14430930341 + 14430930342.

It is an arithmetic number, because the mean of its divisors is an integer number (14430930342).

Almost surely, 2^28861860683 is an apocalyptic number.

28861860683 is a deficient number, since it is larger than the sum of its proper divisors (1).

28861860683 is an equidigital number, since it uses as much as digits as its factorization.

28861860683 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5308416, while the sum is 56.

The spelling of 28861860683 in words is "twenty-eight billion, eight hundred sixty-one million, eight hundred sixty thousand, six hundred eighty-three".