84288066229 has 2 divisors, whose sum is σ = 84288066230. Its totient is φ = 84288066228.

The previous prime is 84288066223. The next prime is 84288066257. The reversal of 84288066229 is 92266088248.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72939425329 + 11348640900 = 270073^2 + 106530^2 .

It is a cyclic number.

It is not a de Polignac number, because 84288066229 - 2⁹ = 84288065717 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 84288066229.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84288066223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42144033114 + 42144033115.

It is an arithmetic number, because the mean of its divisors is an integer number (42144033115).

Almost surely, 2^84288066229 is an apocalyptic number.

It is an amenable number.

84288066229 is a deficient number, since it is larger than the sum of its proper divisors (1).

84288066229 is an equidigital number, since it uses as much as digits as its factorization.

84288066229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5308416, while the sum is 55.

The spelling of 84288066229 in words is "eighty-four billion, two hundred eighty-eight million, sixty-six thousand, two hundred twenty-nine".