7745423107 has 2 divisors, whose sum is σ = 7745423108. Its totient is φ = 7745423106.

The previous prime is 7745423053. The next prime is 7745423111. The reversal of 7745423107 is 7013245477.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7745423107 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7745423107.

It is not a weakly prime, because it can be changed into another prime (7745423137) 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, 3872711553 + 3872711554.

It is an arithmetic number, because the mean of its divisors is an integer number (3872711554).

Almost surely, 2^7745423107 is an apocalyptic number.

7745423107 is a deficient number, since it is larger than the sum of its proper divisors (1).

7745423107 is an equidigital number, since it uses as much as digits as its factorization.

7745423107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 164640, while the sum is 40.

The square root of 7745423107 is about 88008.0854637800. The cubic root of 7745423107 is about 1978.5561615373.

The spelling of 7745423107 in words is "seven billion, seven hundred forty-five million, four hundred twenty-three thousand, one hundred seven".