768368663 has 6 divisors (see below), whose sum is σ = 780012576. Its totient is φ = 756896052.

The previous prime is 768368621. The next prime is 768368681. The reversal of 768368663 is 366863867.

It is not a de Polignac number, because 768368663 - 2¹² = 768364567 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (768368863) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 81095 + ... + 90072.

It is an arithmetic number, because the mean of its divisors is an integer number (130002096).

Almost surely, 2^768368663 is an apocalyptic number.

768368663 is a deficient number, since it is larger than the sum of its proper divisors (11643913).

768368663 is an equidigital number, since it uses as much as digits as its factorization.

768368663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171301 (or 171234 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 53.

The square root of 768368663 is about 27719.4636131365. The cubic root of 768368663 is about 915.9179031671.

The spelling of 768368663 in words is "seven hundred sixty-eight million, three hundred sixty-eight thousand, six hundred sixty-three".