76630663939 has 2 divisors, whose sum is σ = 76630663940. Its totient is φ = 76630663938.

The previous prime is 76630663937. The next prime is 76630663943. The reversal of 76630663939 is 93936603667.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 76630663939 - 2¹ = 76630663937 is a prime.

Together with 76630663937, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (76630663937) 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, 38315331969 + 38315331970.

It is an arithmetic number, because the mean of its divisors is an integer number (38315331970).

Almost surely, 2^76630663939 is an apocalyptic number.

76630663939 is a deficient number, since it is larger than the sum of its proper divisors (1).

76630663939 is an equidigital number, since it uses as much as digits as its factorization.

76630663939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19840464, while the sum is 58.

The spelling of 76630663939 in words is "seventy-six billion, six hundred thirty million, six hundred sixty-three thousand, nine hundred thirty-nine".