98809097 has 2 divisors, whose sum is σ = 98809098. Its totient is φ = 98809096.

The previous prime is 98809069. The next prime is 98809099. The reversal of 98809097 is 79090889.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83978896 + 14830201 = 9164^2 + 3851^2 .

It is a cyclic number.

It is not a de Polignac number, because 98809097 - 2¹⁴ = 98792713 is a prime.

Together with 98809099, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (98809099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49404548 + 49404549.

It is an arithmetic number, because the mean of its divisors is an integer number (49404549).

Almost surely, 2^98809097 is an apocalyptic number.

It is an amenable number.

98809097 is a deficient number, since it is larger than the sum of its proper divisors (1).

98809097 is an equidigital number, since it uses as much as digits as its factorization.

98809097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 326592, while the sum is 50.

The square root of 98809097 is about 9940.2765052085. The cubic root of 98809097 is about 462.3089595218.

The spelling of 98809097 in words is "ninety-eight million, eight hundred nine thousand, ninety-seven".