768648505 has 8 divisors (see below), whose sum is σ = 928037952. Its totient is φ = 611145648.

The previous prime is 768648497. The next prime is 768648511. The reversal of 768648505 is 505846867.

768648505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 768648505 - 2³ = 768648497 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 470749 + ... + 472378.

It is an arithmetic number, because the mean of its divisors is an integer number (116004744).

Almost surely, 2^768648505 is an apocalyptic number.

It is an amenable number.

768648505 is a deficient number, since it is larger than the sum of its proper divisors (159389447).

768648505 is a wasteful number, since it uses less digits than its factorization.

768648505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 943295.

The product of its (nonzero) digits is 1612800, while the sum is 49.

The square root of 768648505 is about 27724.5109064164. The cubic root of 768648505 is about 916.0290829518.

The spelling of 768648505 in words is "seven hundred sixty-eight million, six hundred forty-eight thousand, five hundred five".