766274081611 has 2 divisors, whose sum is σ = 766274081612. Its totient is φ = 766274081610.

The previous prime is 766274081557. The next prime is 766274081669. The reversal of 766274081611 is 116180472667.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 766274081611 - 2²³ = 766265693003 is a prime.

It is not a weakly prime, because it can be changed into another prime (766274081681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 383137040805 + 383137040806.

It is an arithmetic number, because the mean of its divisors is an integer number (383137040806).

Almost surely, 2^766274081611 is an apocalyptic number.

766274081611 is a deficient number, since it is larger than the sum of its proper divisors (1).

766274081611 is an equidigital number, since it uses as much as digits as its factorization.

766274081611 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 677376, while the sum is 49.

The spelling of 766274081611 in words is "seven hundred sixty-six billion, two hundred seventy-four million, eighty-one thousand, six hundred eleven".