107665813 has 2 divisors, whose sum is σ = 107665814. Its totient is φ = 107665812.

The previous prime is 107665801. The next prime is 107665823. The reversal of 107665813 is 318566701.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 104714289 + 2951524 = 10233^2 + 1718^2 .

It is a cyclic number.

It is not a de Polignac number, because 107665813 - 2¹³ = 107657621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (107665823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53832906 + 53832907.

It is an arithmetic number, because the mean of its divisors is an integer number (53832907).

Almost surely, 2^107665813 is an apocalyptic number.

It is an amenable number.

107665813 is a deficient number, since it is larger than the sum of its proper divisors (1).

107665813 is an equidigital number, since it uses as much as digits as its factorization.

107665813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 107665813 is about 10376.2138085142. The cubic root of 107665813 is about 475.7286147516.

The spelling of 107665813 in words is "one hundred seven million, six hundred sixty-five thousand, eight hundred thirteen".