98809211 has 2 divisors, whose sum is σ = 98809212. Its totient is φ = 98809210.

The previous prime is 98809199. The next prime is 98809231. The reversal of 98809211 is 11290889.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98809211 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (98809231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49404605 + 49404606.

It is an arithmetic number, because the mean of its divisors is an integer number (49404606).

Almost surely, 2^98809211 is an apocalyptic number.

98809211 is a deficient number, since it is larger than the sum of its proper divisors (1).

98809211 is an equidigital number, since it uses as much as digits as its factorization.

98809211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 38.

The square root of 98809211 is about 9940.2822394538. The cubic root of 98809211 is about 462.3091373165.

It can be divided in two parts, 9880 and 9211, that added together give a palindrome (19091).

The spelling of 98809211 in words is "ninety-eight million, eight hundred nine thousand, two hundred eleven".