766516770079 has 2 divisors, whose sum is σ = 766516770080. Its totient is φ = 766516770078.

The previous prime is 766516770077. The next prime is 766516770091. The reversal of 766516770079 is 970077615667.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 766516770079 - 2¹ = 766516770077 is a prime.

Together with 766516770077, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 766516769999 and 766516770026.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (766516770077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 383258385039 + 383258385040.

It is an arithmetic number, because the mean of its divisors is an integer number (383258385040).

Almost surely, 2^766516770079 is an apocalyptic number.

766516770079 is a deficient number, since it is larger than the sum of its proper divisors (1).

766516770079 is an equidigital number, since it uses as much as digits as its factorization.

766516770079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23337720, while the sum is 61.

The spelling of 766516770079 in words is "seven hundred sixty-six billion, five hundred sixteen million, seven hundred seventy thousand, seventy-nine".