98789354689 has 2 divisors, whose sum is σ = 98789354690. Its totient is φ = 98789354688.

The previous prime is 98789354627. The next prime is 98789354711. The reversal of 98789354689 is 98645398789.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82359242289 + 16430112400 = 286983^2 + 128180^2 .

It is a cyclic number.

It is not a de Polignac number, because 98789354689 - 2¹⁵ = 98789321921 is a prime.

It is not a weakly prime, because it can be changed into another prime (98789384689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49394677344 + 49394677345.

It is an arithmetic number, because the mean of its divisors is an integer number (49394677345).

Almost surely, 2^98789354689 is an apocalyptic number.

It is an amenable number.

98789354689 is a deficient number, since it is larger than the sum of its proper divisors (1).

98789354689 is an equidigital number, since it uses as much as digits as its factorization.

98789354689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 940584960, while the sum is 76.

The spelling of 98789354689 in words is "ninety-eight billion, seven hundred eighty-nine million, three hundred fifty-four thousand, six hundred eighty-nine".