76684191113 has 2 divisors, whose sum is σ = 76684191114. Its totient is φ = 76684191112.

The previous prime is 76684191097. The next prime is 76684191119. The reversal of 76684191113 is 31119148667.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59578951744 + 17105239369 = 244088^2 + 130787^2 .

It is a cyclic number.

It is not a de Polignac number, because 76684191113 - 2⁴ = 76684191097 is a prime.

It is not a weakly prime, because it can be changed into another prime (76684191119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38342095556 + 38342095557.

It is an arithmetic number, because the mean of its divisors is an integer number (38342095557).

Almost surely, 2^76684191113 is an apocalyptic number.

It is an amenable number.

76684191113 is a deficient number, since it is larger than the sum of its proper divisors (1).

76684191113 is an equidigital number, since it uses as much as digits as its factorization.

76684191113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 217728, while the sum is 47.

The spelling of 76684191113 in words is "seventy-six billion, six hundred eighty-four million, one hundred ninety-one thousand, one hundred thirteen".