98556811 has 2 divisors, whose sum is σ = 98556812. Its totient is φ = 98556810.

The previous prime is 98556767. The next prime is 98556823. The reversal of 98556811 is 11865589.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 98556811 - 2⁹ = 98556299 is a prime.

It is not a weakly prime, because it can be changed into another prime (98556851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49278405 + 49278406.

It is an arithmetic number, because the mean of its divisors is an integer number (49278406).

Almost surely, 2^98556811 is an apocalyptic number.

98556811 is a deficient number, since it is larger than the sum of its proper divisors (1).

98556811 is an equidigital number, since it uses as much as digits as its factorization.

98556811 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 86400, while the sum is 43.

The square root of 98556811 is about 9927.5783049040. The cubic root of 98556811 is about 461.9151581117.

The spelling of 98556811 in words is "ninety-eight million, five hundred fifty-six thousand, eight hundred eleven".