768605247 has 16 divisors (see below), whose sum is σ = 1154275680. Its totient is φ = 505382976.

The previous prime is 768605231. The next prime is 768605249. The reversal of 768605247 is 742506867.

768605247 is a `hidden beast` number, since 7 + 68 + 60 + 524 + 7 = 666.

It is not a de Polignac number, because 768605247 - 2⁴ = 768605231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (768605249) 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, 193008 + ... + 196949.

It is an arithmetic number, because the mean of its divisors is an integer number (72142230).

Almost surely, 2^768605247 is an apocalyptic number.

768605247 is a deficient number, since it is larger than the sum of its proper divisors (385670433).

768605247 is a wasteful number, since it uses less digits than its factorization.

768605247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390039 (or 390033 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 45.

The square root of 768605247 is about 27723.7307554377. The cubic root of 768605247 is about 916.0118985348.

The spelling of 768605247 in words is "seven hundred sixty-eight million, six hundred five thousand, two hundred forty-seven".