98750609 has 2 divisors, whose sum is σ = 98750610. Its totient is φ = 98750608.

The previous prime is 98750599. The next prime is 98750627. The reversal of 98750609 is 90605789.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85969984 + 12780625 = 9272^2 + 3575^2 .

It is an emirp because it is prime and its reverse (90605789) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98750609 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 98750609.

It is a weakly prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49375304 + 49375305.

It is an arithmetic number, because the mean of its divisors is an integer number (49375305).

Almost surely, 2^98750609 is an apocalyptic number.

It is an amenable number.

98750609 is a deficient number, since it is larger than the sum of its proper divisors (1).

98750609 is an equidigital number, since it uses as much as digits as its factorization.

98750609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 136080, while the sum is 44.

The square root of 98750609 is about 9937.3340992441. The cubic root of 98750609 is about 462.2177234441.

The spelling of 98750609 in words is "ninety-eight million, seven hundred fifty thousand, six hundred nine".