766422211 has 4 divisors (see below), whose sum is σ = 766935000. Its totient is φ = 765909424.

The previous prime is 766422199. The next prime is 766422221. The reversal of 766422211 is 112224667.

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 766422211 - 2⁹ = 766421699 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (766422221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 254146 + ... + 257143.

It is an arithmetic number, because the mean of its divisors is an integer number (191733750).

Almost surely, 2^766422211 is an apocalyptic number.

766422211 is a deficient number, since it is larger than the sum of its proper divisors (512789).

766422211 is a wasteful number, since it uses less digits than its factorization.

766422211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512788.

The product of its digits is 8064, while the sum is 31.

The square root of 766422211 is about 27684.3315071901. The cubic root of 766422211 is about 915.1438399487.

Adding to 766422211 its reverse (112224667), we get a palindrome (878646878).

The spelling of 766422211 in words is "seven hundred sixty-six million, four hundred twenty-two thousand, two hundred eleven".