771304868 has 6 divisors (see below), whose sum is σ = 1349783526. Its totient is φ = 385652432.

The previous prime is 771304861. The next prime is 771304903. The reversal of 771304868 is 868403177.

It can be written as a sum of positive squares in only one way, i.e., 768509284 + 2795584 = 27722^2 + 1672^2 .

It is a super-2 number, since 2×771304868² = 1189822398800994848, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (771304861) 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 as a sum of consecutive naturals, namely, 96413105 + ... + 96413112.

It is an arithmetic number, because the mean of its divisors is an integer number (224963921).

Almost surely, 2^771304868 is an apocalyptic number.

It is an amenable number.

771304868 is a deficient number, since it is larger than the sum of its proper divisors (578478658).

771304868 is a wasteful number, since it uses less digits than its factorization.

771304868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192826221 (or 192826219 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 44.

The square root of 771304868 is about 27772.3759876608. The cubic root of 771304868 is about 917.0831009411.

The spelling of 771304868 in words is "seven hundred seventy-one million, three hundred four thousand, eight hundred sixty-eight".