768197911 has 16 divisors (see below), whose sum is σ = 872000640. Its totient is φ = 670883040.

The previous prime is 768197897. The next prime is 768197917. The reversal of 768197911 is 119791867.

It is a cyclic number.

It is not a de Polignac number, because 768197911 - 2⁹ = 768197399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (768197917) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 238236 + ... + 241438.

It is an arithmetic number, because the mean of its divisors is an integer number (54500040).

Almost surely, 2^768197911 is an apocalyptic number.

768197911 is a deficient number, since it is larger than the sum of its proper divisors (103802729).

768197911 is a wasteful number, since it uses less digits than its factorization.

768197911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4206.

The product of its digits is 190512, while the sum is 49.

The square root of 768197911 is about 27716.3834401244. The cubic root of 768197911 is about 915.8500510158.

The spelling of 768197911 in words is "seven hundred sixty-eight million, one hundred ninety-seven thousand, nine hundred eleven".