98668477 has 2 divisors, whose sum is σ = 98668478. Its totient is φ = 98668476.

The previous prime is 98668447. The next prime is 98668511. The reversal of 98668477 is 77486689.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59305401 + 39363076 = 7701^2 + 6274^2 .

It is a cyclic number.

It is not a de Polignac number, because 98668477 - 2¹¹ = 98666429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98668447) 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, 49334238 + 49334239.

It is an arithmetic number, because the mean of its divisors is an integer number (49334239).

Almost surely, 2^98668477 is an apocalyptic number.

It is an amenable number.

98668477 is a deficient number, since it is larger than the sum of its proper divisors (1).

98668477 is an equidigital number, since it uses as much as digits as its factorization.

98668477 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4064256, while the sum is 55.

The square root of 98668477 is about 9933.2007429630. The cubic root of 98668477 is about 462.0895439962.

The spelling of 98668477 in words is "ninety-eight million, six hundred sixty-eight thousand, four hundred seventy-seven".