98318591879 has 2 divisors, whose sum is σ = 98318591880. Its totient is φ = 98318591878.

The previous prime is 98318591869. The next prime is 98318591893. The reversal of 98318591879 is 97819581389.

It is a weak prime.

It is an emirp because it is prime and its reverse (97819581389) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98318591879 is a prime.

It is a super-3 number, since 3×98318591879³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98318591869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49159295939 + 49159295940.

It is an arithmetic number, because the mean of its divisors is an integer number (49159295940).

Almost surely, 2^98318591879 is an apocalyptic number.

98318591879 is a deficient number, since it is larger than the sum of its proper divisors (1).

98318591879 is an equidigital number, since it uses as much as digits as its factorization.

98318591879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 39191040, while the sum is 68.

The spelling of 98318591879 in words is "ninety-eight billion, three hundred eighteen million, five hundred ninety-one thousand, eight hundred seventy-nine".