98739899 has 2 divisors, whose sum is σ = 98739900. Its totient is φ = 98739898.

The previous prime is 98739887. The next prime is 98739937. The reversal of 98739899 is 99893789.

It is a weak prime.

It is an emirp because it is prime and its reverse (99893789) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98739899 is a prime.

It is not a weakly prime, because it can be changed into another prime (98739829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49369949 + 49369950.

It is an arithmetic number, because the mean of its divisors is an integer number (49369950).

Almost surely, 2^98739899 is an apocalyptic number.

98739899 is a deficient number, since it is larger than the sum of its proper divisors (1).

98739899 is an equidigital number, since it uses as much as digits as its factorization.

98739899 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8817984, while the sum is 62.

The square root of 98739899 is about 9936.7952077116. The cubic root of 98739899 is about 462.2010128947.

The spelling of 98739899 in words is "ninety-eight million, seven hundred thirty-nine thousand, eight hundred ninety-nine".