28212859963 has 2 divisors, whose sum is σ = 28212859964. Its totient is φ = 28212859962.

The previous prime is 28212859943. The next prime is 28212859993. The reversal of 28212859963 is 36995821282.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28212859963 - 2¹⁷ = 28212728891 is a prime.

It is a super-2 number, since 2×28212859963² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (28212859943) 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, 14106429981 + 14106429982.

It is an arithmetic number, because the mean of its divisors is an integer number (14106429982).

Almost surely, 2^28212859963 is an apocalyptic number.

28212859963 is a deficient number, since it is larger than the sum of its proper divisors (1).

28212859963 is an equidigital number, since it uses as much as digits as its factorization.

28212859963 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3732480, while the sum is 55.

The spelling of 28212859963 in words is "twenty-eight billion, two hundred twelve million, eight hundred fifty-nine thousand, nine hundred sixty-three".