766600765043 has 2 divisors, whose sum is σ = 766600765044. Its totient is φ = 766600765042.

The previous prime is 766600765019. The next prime is 766600765057. The reversal of 766600765043 is 340567006667.

It is a strong prime.

It is an emirp because it is prime and its reverse (340567006667) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 766600765043 - 2²² = 766596570739 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 766600764982 and 766600765000.

It is not a weakly prime, because it can be changed into another prime (766600765013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 383300382521 + 383300382522.

It is an arithmetic number, because the mean of its divisors is an integer number (383300382522).

Almost surely, 2^766600765043 is an apocalyptic number.

766600765043 is a deficient number, since it is larger than the sum of its proper divisors (1).

766600765043 is an equidigital number, since it uses as much as digits as its factorization.

766600765043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3810240, while the sum is 50.

The spelling of 766600765043 in words is "seven hundred sixty-six billion, six hundred million, seven hundred sixty-five thousand, forty-three".