766647601536763 has 2 divisors, whose sum is σ = 766647601536764. Its totient is φ = 766647601536762.

The previous prime is 766647601536689. The next prime is 766647601536793. The reversal of 766647601536763 is 367635106746667.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-766647601536763 is a prime.

It is not a weakly prime, because it can be changed into another prime (766647601536793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 383323800768381 + 383323800768382.

It is an arithmetic number, because the mean of its divisors is an integer number (383323800768382).

Almost surely, 2^{766647601536763} is an apocalyptic number.

766647601536763 is a deficient number, since it is larger than the sum of its proper divisors (1).

766647601536763 is an equidigital number, since it uses as much as digits as its factorization.

766647601536763 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880541440, while the sum is 73.

The spelling of 766647601536763 in words is "seven hundred sixty-six trillion, six hundred forty-seven billion, six hundred one million, five hundred thirty-six thousand, seven hundred sixty-three".