98856811 has 2 divisors, whose sum is σ = 98856812. Its totient is φ = 98856810.

The previous prime is 98856809. The next prime is 98856817. The reversal of 98856811 is 11865889.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 98856811 - 2¹ = 98856809 is a prime.

Together with 98856809, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (98856817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49428405 + 49428406.

It is an arithmetic number, because the mean of its divisors is an integer number (49428406).

Almost surely, 2^98856811 is an apocalyptic number.

98856811 is the 4447-th centered decagonal number.

98856811 is a deficient number, since it is larger than the sum of its proper divisors (1).

98856811 is an equidigital number, since it uses as much as digits as its factorization.

98856811 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 138240, while the sum is 46.

The square root of 98856811 is about 9942.6762493807. The cubic root of 98856811 is about 462.3833624553.

The spelling of 98856811 in words is "ninety-eight million, eight hundred fifty-six thousand, eight hundred eleven".