770816 has 18 divisors (see below), whose sum is σ = 1539132. Its totient is φ = 385280.

The previous prime is 770813. The next prime is 770837. The reversal of 770816 is 618077.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 770816.

It is not an unprimeable number, because it can be changed into a prime (770813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1250 + ... + 1761.

2⁷⁷⁰⁸¹⁶ is an apocalyptic number.

It is an amenable number.

770816 is a deficient number, since it is larger than the sum of its proper divisors (768316).

770816 is an equidigital number, since it uses as much as digits as its factorization.

770816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3027 (or 3013 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 29.

The square root of 770816 is about 877.9612747724. The cubic root of 770816 is about 91.6889304967.

The spelling of 770816 in words is "seven hundred seventy thousand, eight hundred sixteen".