768716347 has 8 divisors (see below), whose sum is σ = 878700800. Its totient is φ = 658773864.

The previous prime is 768716321. The next prime is 768716359. The reversal of 768716347 is 743617867.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-768716347 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 768716347.

It is not an unprimeable number, because it can be changed into a prime (768716447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64804 + ... + 75742.

It is an arithmetic number, because the mean of its divisors is an integer number (109837600).

Almost surely, 2^768716347 is an apocalyptic number.

768716347 is a deficient number, since it is larger than the sum of its proper divisors (109984453).

768716347 is a wasteful number, since it uses less digits than its factorization.

768716347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20985.

The product of its digits is 1185408, while the sum is 49.

The square root of 768716347 is about 27725.7343816174. The cubic root of 768716347 is about 916.0560321648.

The spelling of 768716347 in words is "seven hundred sixty-eight million, seven hundred sixteen thousand, three hundred forty-seven".