98256881 has 2 divisors, whose sum is σ = 98256882. Its totient is φ = 98256880.

The previous prime is 98256877. The next prime is 98256883. The reversal of 98256881 is 18865289.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 94867600 + 3389281 = 9740^2 + 1841^2 .

It is a cyclic number.

It is not a de Polignac number, because 98256881 - 2² = 98256877 is a prime.

It is a super-2 number, since 2×98256881² = 19308829327696322, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 98256883, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (98256883) 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, 49128440 + 49128441.

It is an arithmetic number, because the mean of its divisors is an integer number (49128441).

Almost surely, 2^98256881 is an apocalyptic number.

It is an amenable number.

98256881 is a deficient number, since it is larger than the sum of its proper divisors (1).

98256881 is an equidigital number, since it uses as much as digits as its factorization.

98256881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 276480, while the sum is 47.

The square root of 98256881 is about 9912.4608952570. The cubic root of 98256881 is about 461.4461122617.

The spelling of 98256881 in words is "ninety-eight million, two hundred fifty-six thousand, eight hundred eighty-one".