98638783 has 2 divisors, whose sum is σ = 98638784. Its totient is φ = 98638782.

The previous prime is 98638763. The next prime is 98638817. The reversal of 98638783 is 38783689.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 98638783 - 2⁵ = 98638751 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 98638783.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98638753) 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, 49319391 + 49319392.

It is an arithmetic number, because the mean of its divisors is an integer number (49319392).

Almost surely, 2^98638783 is an apocalyptic number.

98638783 is a deficient number, since it is larger than the sum of its proper divisors (1).

98638783 is an equidigital number, since it uses as much as digits as its factorization.

98638783 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1741824, while the sum is 52.

The square root of 98638783 is about 9931.7059461102. The cubic root of 98638783 is about 462.0431844967.

The spelling of 98638783 in words is "ninety-eight million, six hundred thirty-eight thousand, seven hundred eighty-three".