98770478284789 has 2 divisors, whose sum is σ = 98770478284790. Its totient is φ = 98770478284788.

The previous prime is 98770478284759. The next prime is 98770478284813. The reversal of 98770478284789 is 98748287407789.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98128003897764 + 642474387025 = 9905958^2 + 801545^2 .

It is a cyclic number.

It is not a de Polignac number, because 98770478284789 - 2¹⁹ = 98770477760501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98770478284759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49385239142394 + 49385239142395.

It is an arithmetic number, because the mean of its divisors is an integer number (49385239142395).

Almost surely, 2^{98770478284789} is an apocalyptic number.

It is an amenable number.

98770478284789 is a deficient number, since it is larger than the sum of its proper divisors (1).

98770478284789 is an equidigital number, since it uses as much as digits as its factorization.

98770478284789 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25491013632, while the sum is 88.

The spelling of 98770478284789 in words is "ninety-eight trillion, seven hundred seventy billion, four hundred seventy-eight million, two hundred eighty-four thousand, seven hundred eighty-nine".