98169997 has 2 divisors, whose sum is σ = 98169998. Its totient is φ = 98169996.

The previous prime is 98169983. The next prime is 98170057. The reversal of 98169997 is 79996189.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80030916 + 18139081 = 8946^2 + 4259^2 .

It is a cyclic number.

It is not a de Polignac number, because 98169997 - 2¹⁵ = 98137229 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98161997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49084998 + 49084999.

It is an arithmetic number, because the mean of its divisors is an integer number (49084999).

Almost surely, 2^98169997 is an apocalyptic number.

It is an amenable number.

98169997 is a deficient number, since it is larger than the sum of its proper divisors (1).

98169997 is an equidigital number, since it uses as much as digits as its factorization.

98169997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2204496, while the sum is 58.

The square root of 98169997 is about 9908.0773614259. The cubic root of 98169997 is about 461.3100603582.

The spelling of 98169997 in words is "ninety-eight million, one hundred sixty-nine thousand, nine hundred ninety-seven".