107689391 has 2 divisors, whose sum is σ = 107689392. Its totient is φ = 107689390.

The previous prime is 107689369. The next prime is 107689399. The reversal of 107689391 is 193986701.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 107689391 - 2⁶ = 107689327 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (107689399) 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, 53844695 + 53844696.

It is an arithmetic number, because the mean of its divisors is an integer number (53844696).

Almost surely, 2^107689391 is an apocalyptic number.

107689391 is a deficient number, since it is larger than the sum of its proper divisors (1).

107689391 is an equidigital number, since it uses as much as digits as its factorization.

107689391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81648, while the sum is 44.

The square root of 107689391 is about 10377.3499025522. The cubic root of 107689391 is about 475.7633392083.

The spelling of 107689391 in words is "one hundred seven million, six hundred eighty-nine thousand, three hundred ninety-one".