98809673 has 2 divisors, whose sum is σ = 98809674. Its totient is φ = 98809672.

The previous prime is 98809603. The next prime is 98809687. The reversal of 98809673 is 37690889.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 78712384 + 20097289 = 8872^2 + 4483^2 .

It is a cyclic number.

It is not a de Polignac number, because 98809673 - 2¹⁰ = 98808649 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (98809603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49404836 + 49404837.

It is an arithmetic number, because the mean of its divisors is an integer number (49404837).

Almost surely, 2^98809673 is an apocalyptic number.

It is an amenable number.

98809673 is a deficient number, since it is larger than the sum of its proper divisors (1).

98809673 is an equidigital number, since it uses as much as digits as its factorization.

98809673 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 653184, while the sum is 50.

The square root of 98809673 is about 9940.3054782034. The cubic root of 98809673 is about 462.3098578515.

The spelling of 98809673 in words is "ninety-eight million, eight hundred nine thousand, six hundred seventy-three".