97681608107 has 2 divisors, whose sum is σ = 97681608108. Its totient is φ = 97681608106.

The previous prime is 97681608067. The next prime is 97681608113. The reversal of 97681608107 is 70180618679.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 97681608107 - 2¹² = 97681604011 is a prime.

It is not a weakly prime, because it can be changed into another prime (97681608907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48840804053 + 48840804054.

It is an arithmetic number, because the mean of its divisors is an integer number (48840804054).

Almost surely, 2^97681608107 is an apocalyptic number.

97681608107 is a deficient number, since it is larger than the sum of its proper divisors (1).

97681608107 is an equidigital number, since it uses as much as digits as its factorization.

97681608107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1016064, while the sum is 53.

The spelling of 97681608107 in words is "ninety-seven billion, six hundred eighty-one million, six hundred eight thousand, one hundred seven".