776966 has 4 divisors (see below), whose sum is σ = 1165452. Its totient is φ = 388482.

The previous prime is 776947. The next prime is 776969. The reversal of 776966 is 669677.

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

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 776966.

It is not an unprimeable number, because it can be changed into a prime (776969) by changing a digit.

776966 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194240 + ... + 194243.

It is an arithmetic number, because the mean of its divisors is an integer number (291363).

2⁷⁷⁶⁹⁶⁶ is an apocalyptic number.

776966 is a deficient number, since it is larger than the sum of its proper divisors (388486).

776966 is a wasteful number, since it uses less digits than its factorization.

776966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388485.

The product of its digits is 95256, while the sum is 41.

The square root of 776966 is about 881.4567487971. The cubic root of 776966 is about 91.9321333132.

The spelling of 776966 in words is "seven hundred seventy-six thousand, nine hundred sixty-six".