76064673137 has 2 divisors, whose sum is σ = 76064673138. Its totient is φ = 76064673136.

The previous prime is 76064673133. The next prime is 76064673173. The reversal of 76064673137 is 73137646067.

Together with next prime (76064673173) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57896059456 + 18168613681 = 240616^2 + 134791^2 .

It is a cyclic number.

It is not a de Polignac number, because 76064673137 - 2² = 76064673133 is a prime.

It is not a weakly prime, because it can be changed into another prime (76064673133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38032336568 + 38032336569.

It is an arithmetic number, because the mean of its divisors is an integer number (38032336569).

Almost surely, 2^76064673137 is an apocalyptic number.

It is an amenable number.

76064673137 is a deficient number, since it is larger than the sum of its proper divisors (1).

76064673137 is an equidigital number, since it uses as much as digits as its factorization.

76064673137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2667168, while the sum is 50.

The spelling of 76064673137 in words is "seventy-six billion, sixty-four million, six hundred seventy-three thousand, one hundred thirty-seven".