768247407 has 12 divisors (see below), whose sum is σ = 1109958720. Its totient is φ = 512041248.

The previous prime is 768247399. The next prime is 768247411. The reversal of 768247407 is 704742867.

It is not a de Polignac number, because 768247407 - 2³ = 768247399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (768247457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44194 + ... + 59072.

It is an arithmetic number, because the mean of its divisors is an integer number (92496560).

Almost surely, 2^768247407 is an apocalyptic number.

768247407 is a deficient number, since it is larger than the sum of its proper divisors (341711313).

768247407 is a wasteful number, since it uses less digits than its factorization.

768247407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20622 (or 20619 counting only the distinct ones).

The product of its (nonzero) digits is 526848, while the sum is 45.

The square root of 768247407 is about 27717.2763272296. The cubic root of 768247407 is about 915.8697204005.

The spelling of 768247407 in words is "seven hundred sixty-eight million, two hundred forty-seven thousand, four hundred seven".