98556859 has 2 divisors, whose sum is σ = 98556860. Its totient is φ = 98556858.

The previous prime is 98556851. The next prime is 98556869. The reversal of 98556859 is 95865589.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 98556859 - 2³ = 98556851 is a prime.

It is a super-3 number, since 3×98556859³ (a number of 25 digits) contains 333 as substring.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49278429 + 49278430.

It is an arithmetic number, because the mean of its divisors is an integer number (49278430).

Almost surely, 2^98556859 is an apocalyptic number.

98556859 is a deficient number, since it is larger than the sum of its proper divisors (1).

98556859 is an equidigital number, since it uses as much as digits as its factorization.

98556859 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888000, while the sum is 55.

The square root of 98556859 is about 9927.5807224117. The cubic root of 98556859 is about 461.9152331003.

The spelling of 98556859 in words is "ninety-eight million, five hundred fifty-six thousand, eight hundred fifty-nine".