768710663 has 4 divisors (see below), whose sum is σ = 878526480. Its totient is φ = 658894848.

The previous prime is 768710651. The next prime is 768710693. The reversal of 768710663 is 366017867.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 768710663 - 2⁴ = 768710647 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 (768710603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54907898 + ... + 54907911.

It is an arithmetic number, because the mean of its divisors is an integer number (219631620).

Almost surely, 2^768710663 is an apocalyptic number.

768710663 is a deficient number, since it is larger than the sum of its proper divisors (109815817).

768710663 is a wasteful number, since it uses less digits than its factorization.

768710663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109815816.

The product of its (nonzero) digits is 254016, while the sum is 44.

The square root of 768710663 is about 27725.6318773802. The cubic root of 768710663 is about 916.0537743422.

The spelling of 768710663 in words is "seven hundred sixty-eight million, seven hundred ten thousand, six hundred sixty-three".