768140830766 has 32 divisors (see below), whose sum is σ = 1214600313600. Its totient is φ = 363779503360.

The previous prime is 768140830747. The next prime is 768140830813. The reversal of 768140830766 is 667038041867.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31560890 + ... + 31585218.

It is an arithmetic number, because the mean of its divisors is an integer number (37956259800).

Almost surely, 2^768140830766 is an apocalyptic number.

768140830766 is a deficient number, since it is larger than the sum of its proper divisors (446459482834).

768140830766 is a wasteful number, since it uses less digits than its factorization.

768140830766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34684.

The product of its (nonzero) digits is 8128512, while the sum is 56.

The spelling of 768140830766 in words is "seven hundred sixty-eight billion, one hundred forty million, eight hundred thirty thousand, seven hundred sixty-six".