96811909 has 2 divisors, whose sum is σ = 96811910. Its totient is φ = 96811908.

The previous prime is 96811903. The next prime is 96811919. The reversal of 96811909 is 90911869.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73017025 + 23794884 = 8545^2 + 4878^2 .

It is a cyclic number.

It is not a de Polignac number, because 96811909 - 2¹¹ = 96809861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (96811903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48405954 + 48405955.

It is an arithmetic number, because the mean of its divisors is an integer number (48405955).

Almost surely, 2^96811909 is an apocalyptic number.

It is an amenable number.

96811909 is a deficient number, since it is larger than the sum of its proper divisors (1).

96811909 is an equidigital number, since it uses as much as digits as its factorization.

96811909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34992, while the sum is 43.

The square root of 96811909 is about 9839.3042945119. The cubic root of 96811909 is about 459.1729135894.

The spelling of 96811909 in words is "ninety-six million, eight hundred eleven thousand, nine hundred nine".