767421677617043 has 2 divisors, whose sum is σ = 767421677617044. Its totient is φ = 767421677617042.

The previous prime is 767421677616991. The next prime is 767421677617051. The reversal of 767421677617043 is 340716776124767.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-767421677617043 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (767421677617073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 383710838808521 + 383710838808522.

It is an arithmetic number, because the mean of its divisors is an integer number (383710838808522).

Almost surely, 2^{767421677617043} is an apocalyptic number.

767421677617043 is a deficient number, since it is larger than the sum of its proper divisors (1).

767421677617043 is an equidigital number, since it uses as much as digits as its factorization.

767421677617043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 348509952, while the sum is 68.

The spelling of 767421677617043 in words is "seven hundred sixty-seven trillion, four hundred twenty-one billion, six hundred seventy-seven million, six hundred seventeen thousand, forty-three".