98578348499 has 2 divisors, whose sum is σ = 98578348500. Its totient is φ = 98578348498.

The previous prime is 98578348469. The next prime is 98578348507. The reversal of 98578348499 is 99484387589.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 98578348499 - 2¹⁶ = 98578282963 is a prime.

It is not a weakly prime, because it can be changed into another prime (98578348469) 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, 49289174249 + 49289174250.

It is an arithmetic number, because the mean of its divisors is an integer number (49289174250).

Almost surely, 2^98578348499 is an apocalyptic number.

98578348499 is a deficient number, since it is larger than the sum of its proper divisors (1).

98578348499 is an equidigital number, since it uses as much as digits as its factorization.

98578348499 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 627056640, while the sum is 74.

The spelling of 98578348499 in words is "ninety-eight billion, five hundred seventy-eight million, three hundred forty-eight thousand, four hundred ninety-nine".