98666129 has 2 divisors, whose sum is σ = 98666130. Its totient is φ = 98666128.

The previous prime is 98666101. The next prime is 98666137. The reversal of 98666129 is 92166689.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 85525504 + 13140625 = 9248^2 + 3625^2 .

It is a cyclic number.

It is not a de Polignac number, because 98666129 - 2⁸ = 98665873 is a prime.

It is a pancake number, because a pancake can be divided into 98666129 parts by 14047 straight cuts.

It is not a weakly prime, because it can be changed into another prime (98666329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49333064 + 49333065.

It is an arithmetic number, because the mean of its divisors is an integer number (49333065).

Almost surely, 2^98666129 is an apocalyptic number.

It is an amenable number.

98666129 is a deficient number, since it is larger than the sum of its proper divisors (1).

98666129 is an equidigital number, since it uses as much as digits as its factorization.

98666129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 279936, while the sum is 47.

The square root of 98666129 is about 9933.0825527628. The cubic root of 98666129 is about 462.0858785403.

The spelling of 98666129 in words is "ninety-eight million, six hundred sixty-six thousand, one hundred twenty-nine".