98794681 has 2 divisors, whose sum is σ = 98794682. Its totient is φ = 98794680.

The previous prime is 98794679. The next prime is 98794721. The reversal of 98794681 is 18649789.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77088400 + 21706281 = 8780^2 + 4659^2 .

It is an emirp because it is prime and its reverse (18649789) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 98794681 - 2¹ = 98794679 is a prime.

It is a super-2 number, since 2×98794681² = 19520777987783522, which contains 22 as substring.

Together with 98794679, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (98794081) 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, 49397340 + 49397341.

It is an arithmetic number, because the mean of its divisors is an integer number (49397341).

Almost surely, 2^98794681 is an apocalyptic number.

It is an amenable number.

98794681 is a deficient number, since it is larger than the sum of its proper divisors (1).

98794681 is an equidigital number, since it uses as much as digits as its factorization.

98794681 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 870912, while the sum is 52.

The square root of 98794681 is about 9939.5513480237. The cubic root of 98794681 is about 462.2864751882.

The spelling of 98794681 in words is "ninety-eight million, seven hundred ninety-four thousand, six hundred eighty-one".