98117641 has 2 divisors, whose sum is σ = 98117642. Its totient is φ = 98117640.

The previous prime is 98117639. The next prime is 98117689. The reversal of 98117641 is 14671189.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77369616 + 20748025 = 8796^2 + 4555^2 .

It is a cyclic number.

It is not a de Polignac number, because 98117641 - 2¹ = 98117639 is a prime.

Together with 98117639, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 98117641.

It is not a weakly prime, because it can be changed into another prime (98117611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49058820 + 49058821.

It is an arithmetic number, because the mean of its divisors is an integer number (49058821).

Almost surely, 2^98117641 is an apocalyptic number.

It is an amenable number.

98117641 is a deficient number, since it is larger than the sum of its proper divisors (1).

98117641 is an equidigital number, since it uses as much as digits as its factorization.

98117641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 37.

The square root of 98117641 is about 9905.4349223040. The cubic root of 98117641 is about 461.2280371835.

The spelling of 98117641 in words is "ninety-eight million, one hundred seventeen thousand, six hundred forty-one".