770077312 has 16 divisors (see below), whose sum is σ = 1534138650. Its totient is φ = 385038592.

The previous prime is 770077309. The next prime is 770077313. The reversal of 770077312 is 213770077.

It can be written as a sum of positive squares in only one way, i.e., 699919936 + 70157376 = 26456^2 + 8376^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is not an unprimeable number, because it can be changed into a prime (770077313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3007987 + ... + 3008242.

Almost surely, 2^770077312 is an apocalyptic number.

It is an amenable number.

770077312 is a deficient number, since it is larger than the sum of its proper divisors (764061338).

770077312 is an equidigital number, since it uses as much as digits as its factorization.

770077312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6016243 (or 6016231 counting only the distinct ones).

The product of its (nonzero) digits is 14406, while the sum is 34.

The square root of 770077312 is about 27750.2668815995. The cubic root of 770077312 is about 916.5963203905.

The spelling of 770077312 in words is "seven hundred seventy million, seventy-seven thousand, three hundred twelve".