84212178335963 has 2 divisors, whose sum is σ = 84212178335964. Its totient is φ = 84212178335962.

The previous prime is 84212178335959. The next prime is 84212178336049. The reversal of 84212178335963 is 36953387121248.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84212178335963 - 2² = 84212178335959 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 84212178335896 and 84212178335905.

It is not a weakly prime, because it can be changed into another prime (84212178335563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42106089167981 + 42106089167982.

It is an arithmetic number, because the mean of its divisors is an integer number (42106089167982).

Almost surely, 2^{84212178335963} is an apocalyptic number.

84212178335963 is a deficient number, since it is larger than the sum of its proper divisors (1).

84212178335963 is an equidigital number, since it uses as much as digits as its factorization.

84212178335963 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 52254720, while the sum is 62.

The spelling of 84212178335963 in words is "eighty-four trillion, two hundred twelve billion, one hundred seventy-eight million, three hundred thirty-five thousand, nine hundred sixty-three".