768056776 has 8 divisors (see below), whose sum is σ = 1440106470. Its totient is φ = 384028384.

The previous prime is 768056743. The next prime is 768056777. The reversal of 768056776 is 677650867.

It can be written as a sum of positive squares in only one way, i.e., 435723876 + 332332900 = 20874^2 + 18230^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×768056776² = 1179822422319028352, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (768056777) 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, 48003541 + ... + 48003556.

Almost surely, 2^768056776 is an apocalyptic number.

It is an amenable number.

768056776 is a deficient number, since it is larger than the sum of its proper divisors (672049694).

768056776 is a wasteful number, since it uses less digits than its factorization.

768056776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96007103 (or 96007099 counting only the distinct ones).

The product of its (nonzero) digits is 2963520, while the sum is 52.

The square root of 768056776 is about 27713.8372658858. The cubic root of 768056776 is about 915.7939602560.

The spelling of 768056776 in words is "seven hundred sixty-eight million, fifty-six thousand, seven hundred seventy-six".