76666666303 has 2 divisors, whose sum is σ = 76666666304. Its totient is φ = 76666666302.

The previous prime is 76666666289. The next prime is 76666666381. The reversal of 76666666303 is 30366666667.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 76666666303 - 2⁹ = 76666665791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76666636303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38333333151 + 38333333152.

It is an arithmetic number, because the mean of its divisors is an integer number (38333333152).

Almost surely, 2^76666666303 is an apocalyptic number.

76666666303 is a deficient number, since it is larger than the sum of its proper divisors (1).

76666666303 is an equidigital number, since it uses as much as digits as its factorization.

76666666303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17635968, while the sum is 55.

The spelling of 76666666303 in words is "seventy-six billion, six hundred sixty-six million, six hundred sixty-six thousand, three hundred three".