98505577 has 2 divisors, whose sum is σ = 98505578. Its totient is φ = 98505576.

The previous prime is 98505559. The next prime is 98505587. The reversal of 98505577 is 77550589.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50466816 + 48038761 = 7104^2 + 6931^2 .

It is an emirp because it is prime and its reverse (77550589) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 98505577 - 2¹⁵ = 98472809 is a prime.

It is not a weakly prime, because it can be changed into another prime (98505587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49252788 + 49252789.

It is an arithmetic number, because the mean of its divisors is an integer number (49252789).

Almost surely, 2^98505577 is an apocalyptic number.

It is an amenable number.

98505577 is a deficient number, since it is larger than the sum of its proper divisors (1).

98505577 is an equidigital number, since it uses as much as digits as its factorization.

98505577 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 441000, while the sum is 46.

The square root of 98505577 is about 9924.9975818637. The cubic root of 98505577 is about 461.8351032243.

The spelling of 98505577 in words is "ninety-eight million, five hundred five thousand, five hundred seventy-seven".