768666770205 has 32 divisors (see below), whose sum is σ = 1333973225088. Its totient is φ = 376429824000.

The previous prime is 768666770191. The next prime is 768666770281. The reversal of 768666770205 is 502077666867.

768666770205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 768666770205 - 2⁷ = 768666770077 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36750271 + ... + 36771180.

It is an arithmetic number, because the mean of its divisors is an integer number (41686663284).

Almost surely, 2^768666770205 is an apocalyptic number.

It is an amenable number.

768666770205 is a deficient number, since it is larger than the sum of its proper divisors (565306454883).

768666770205 is a wasteful number, since it uses less digits than its factorization.

768666770205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73521517.

The product of its (nonzero) digits is 35562240, while the sum is 60.

The spelling of 768666770205 in words is "seven hundred sixty-eight billion, six hundred sixty-six million, seven hundred seventy thousand, two hundred five".