766694404211 has 2 divisors, whose sum is σ = 766694404212. Its totient is φ = 766694404210.

The previous prime is 766694404181. The next prime is 766694404237. The reversal of 766694404211 is 112404496667.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 766694404211 - 2³⁴ = 749514535027 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 766694404211.

It is not a weakly prime, because it can be changed into another prime (766694404241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 383347202105 + 383347202106.

It is an arithmetic number, because the mean of its divisors is an integer number (383347202106).

Almost surely, 2^766694404211 is an apocalyptic number.

766694404211 is a deficient number, since it is larger than the sum of its proper divisors (1).

766694404211 is an equidigital number, since it uses as much as digits as its factorization.

766694404211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1741824, while the sum is 50.

The spelling of 766694404211 in words is "seven hundred sixty-six billion, six hundred ninety-four million, four hundred four thousand, two hundred eleven".