98920579 has 2 divisors, whose sum is σ = 98920580. Its totient is φ = 98920578.

The previous prime is 98920567. The next prime is 98920607. The reversal of 98920579 is 97502989.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 98920579 - 2¹¹ = 98918531 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (98920379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49460289 + 49460290.

It is an arithmetic number, because the mean of its divisors is an integer number (49460290).

Almost surely, 2^98920579 is an apocalyptic number.

98920579 is a deficient number, since it is larger than the sum of its proper divisors (1).

98920579 is an equidigital number, since it uses as much as digits as its factorization.

98920579 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 408240, while the sum is 49.

The square root of 98920579 is about 9945.8825148903. The cubic root of 98920579 is about 462.4827618606.

It can be divided in two parts, 98920 and 579, that added together give a palindrome (99499).

The spelling of 98920579 in words is "ninety-eight million, nine hundred twenty thousand, five hundred seventy-nine".