76818307 has 2 divisors, whose sum is σ = 76818308. Its totient is φ = 76818306.

The previous prime is 76818281. The next prime is 76818317. The reversal of 76818307 is 70381867.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76818307 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 76818307.

It is not a weakly prime, because it can be changed into another prime (76818317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38409153 + 38409154.

It is an arithmetic number, because the mean of its divisors is an integer number (38409154).

Almost surely, 2^76818307 is an apocalyptic number.

76818307 is a deficient number, since it is larger than the sum of its proper divisors (1).

76818307 is an equidigital number, since it uses as much as digits as its factorization.

76818307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56448, while the sum is 40.

The square root of 76818307 is about 8764.6053533516. The cubic root of 76818307 is about 425.0971994523.

The spelling of 76818307 in words is "seventy-six million, eight hundred eighteen thousand, three hundred seven".