766228746811 has 4 divisors (see below), whose sum is σ = 835885905624. Its totient is φ = 696571588000.

The previous prime is 766228746799. The next prime is 766228746853. The reversal of 766228746811 is 118647822667.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 766228746811 - 2⁷ = 766228746683 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (766228746011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34828579390 + ... + 34828579411.

It is an arithmetic number, because the mean of its divisors is an integer number (208971476406).

Almost surely, 2^766228746811 is an apocalyptic number.

766228746811 is a deficient number, since it is larger than the sum of its proper divisors (69657158813).

766228746811 is a wasteful number, since it uses less digits than its factorization.

766228746811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69657158812.

The product of its digits is 10838016, while the sum is 58.

The spelling of 766228746811 in words is "seven hundred sixty-six billion, two hundred twenty-eight million, seven hundred forty-six thousand, eight hundred eleven".