768347408 has 20 divisors (see below), whose sum is σ = 1489697808. Its totient is φ = 383909280.

The previous prime is 768347387. The next prime is 768347423. The reversal of 768347408 is 804743867.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8603 + ... + 40133.

Almost surely, 2^768347408 is an apocalyptic number.

It is an amenable number.

768347408 is a deficient number, since it is larger than the sum of its proper divisors (721350400).

768347408 is a wasteful number, since it uses less digits than its factorization.

768347408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33062 (or 33056 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 47.

The square root of 768347408 is about 27719.0802156204. The cubic root of 768347408 is about 915.9094575622.

The spelling of 768347408 in words is "seven hundred sixty-eight million, three hundred forty-seven thousand, four hundred eight".