98660071 has 2 divisors, whose sum is σ = 98660072. Its totient is φ = 98660070.

The previous prime is 98660069. The next prime is 98660101. The reversal of 98660071 is 17006689.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 98660071 - 2¹ = 98660069 is a prime.

Together with 98660069, 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 98660071.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98660971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49330035 + 49330036.

It is an arithmetic number, because the mean of its divisors is an integer number (49330036).

Almost surely, 2^98660071 is an apocalyptic number.

98660071 is a deficient number, since it is larger than the sum of its proper divisors (1).

98660071 is an equidigital number, since it uses as much as digits as its factorization.

98660071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 98660071 is about 9932.7776074973. Note that the first 3 decimals coincide. The cubic root of 98660071 is about 462.0764211457.

The spelling of 98660071 in words is "ninety-eight million, six hundred sixty thousand, seventy-one".