84998653 has 2 divisors, whose sum is σ = 84998654. Its totient is φ = 84998652.

The previous prime is 84998603. The next prime is 84998717. The reversal of 84998653 is 35689948.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66145689 + 18852964 = 8133^2 + 4342^2 .

It is a cyclic number.

It is not a de Polignac number, because 84998653 - 2⁹ = 84998141 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 84998653.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84998603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42499326 + 42499327.

It is an arithmetic number, because the mean of its divisors is an integer number (42499327).

Almost surely, 2^84998653 is an apocalyptic number.

It is an amenable number.

84998653 is a deficient number, since it is larger than the sum of its proper divisors (1).

84998653 is an equidigital number, since it uses as much as digits as its factorization.

84998653 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1866240, while the sum is 52.

The square root of 84998653 is about 9219.4714056718. The cubic root of 84998653 is about 439.6806446429.

The spelling of 84998653 in words is "eighty-four million, nine hundred ninety-eight thousand, six hundred fifty-three".