99680011 has 2 divisors, whose sum is σ = 99680012. Its totient is φ = 99680010.

The previous prime is 99679991. The next prime is 99680051. The reversal of 99680011 is 11008699.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 99680011 - 2⁷ = 99679883 is a prime.

It is a super-2 number, since 2×99680011² = 19872209185920242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (99680051) 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, 49840005 + 49840006.

It is an arithmetic number, because the mean of its divisors is an integer number (49840006).

Almost surely, 2^99680011 is an apocalyptic number.

99680011 is a deficient number, since it is larger than the sum of its proper divisors (1).

99680011 is an equidigital number, since it uses as much as digits as its factorization.

99680011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 34.

The square root of 99680011 is about 9983.9877303611. The cubic root of 99680011 is about 463.6632685574.

The spelling of 99680011 in words is "ninety-nine million, six hundred eighty thousand, eleven".