98505697 has 2 divisors, whose sum is σ = 98505698. Its totient is φ = 98505696.

The previous prime is 98505679. The next prime is 98505727. The reversal of 98505697 is 79650589.

Together with previous prime (98505679) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 96059601 + 2446096 = 9801^2 + 1564^2 .

It is a cyclic number.

It is not a de Polignac number, because 98505697 - 2¹¹ = 98503649 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 98505697.

It is not a weakly prime, because it can be changed into another prime (98505607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49252848 + 49252849.

It is an arithmetic number, because the mean of its divisors is an integer number (49252849).

Almost surely, 2^98505697 is an apocalyptic number.

It is an amenable number.

98505697 is a deficient number, since it is larger than the sum of its proper divisors (1).

98505697 is an equidigital number, since it uses as much as digits as its factorization.

98505697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 680400, while the sum is 49.

The square root of 98505697 is about 9925.0036272034. The cubic root of 98505697 is about 461.8352907609.

The spelling of 98505697 in words is "ninety-eight million, five hundred five thousand, six hundred ninety-seven".