766789922 has 4 divisors (see below), whose sum is σ = 1150184886. Its totient is φ = 383394960.

The previous prime is 766789921. The next prime is 766789931. The reversal of 766789922 is 229987667.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 688485121 + 78304801 = 26239^2 + 8849^2 .

It is not an unprimeable number, because it can be changed into a prime (766789921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 191697479 + ... + 191697482.

Almost surely, 2^766789922 is an apocalyptic number.

766789922 is a deficient number, since it is larger than the sum of its proper divisors (383394964).

766789922 is a wasteful number, since it uses less digits than its factorization.

766789922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383394963.

The product of its digits is 4572288, while the sum is 56.

The square root of 766789922 is about 27690.9718500453. The cubic root of 766789922 is about 915.2901712397.

The spelling of 766789922 in words is "seven hundred sixty-six million, seven hundred eighty-nine thousand, nine hundred twenty-two".