98666693 has 2 divisors, whose sum is σ = 98666694. Its totient is φ = 98666692.

The previous prime is 98666683. The next prime is 98666699. The reversal of 98666693 is 39666689.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55606849 + 43059844 = 7457^2 + 6562^2 .

It is a cyclic number.

It is not a de Polignac number, because 98666693 - 2⁶ = 98666629 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98666699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49333346 + 49333347.

It is an arithmetic number, because the mean of its divisors is an integer number (49333347).

Almost surely, 2^98666693 is an apocalyptic number.

It is an amenable number.

98666693 is a deficient number, since it is larger than the sum of its proper divisors (1).

98666693 is an equidigital number, since it uses as much as digits as its factorization.

98666693 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2519424, while the sum is 53.

The square root of 98666693 is about 9933.1109427007. The cubic root of 98666693 is about 462.0867590043.

The spelling of 98666693 in words is "ninety-eight million, six hundred sixty-six thousand, six hundred ninety-three".