98751215789 has 2 divisors, whose sum is σ = 98751215790. Its totient is φ = 98751215788.

The previous prime is 98751215747. The next prime is 98751215803.

98751215789 is nontrivially palindromic in base 10.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83755254025 + 14995961764 = 289405^2 + 122458^2 .

It is a palprime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98751215789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98751215489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49375607894 + 49375607895.

It is an arithmetic number, because the mean of its divisors is an integer number (49375607895).

Almost surely, 2^98751215789 is an apocalyptic number.

It is an amenable number.

98751215789 is a deficient number, since it is larger than the sum of its proper divisors (1).

98751215789 is an equidigital number, since it uses as much as digits as its factorization.

98751215789 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12700800, while the sum is 62.

The spelling of 98751215789 in words is "ninety-eight billion, seven hundred fifty-one million, two hundred fifteen thousand, seven hundred eighty-nine".