768168677 has 4 divisors (see below), whose sum is σ = 768233376. Its totient is φ = 768103980.

The previous prime is 768168659. The next prime is 768168703. The reversal of 768168677 is 776861867.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 768168677 - 2²⁶ = 701059813 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 (768068677) 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, 8849 + ... + 40182.

It is an arithmetic number, because the mean of its divisors is an integer number (192058344).

Almost surely, 2^768168677 is an apocalyptic number.

It is an amenable number.

768168677 is a deficient number, since it is larger than the sum of its proper divisors (64699).

768168677 is a wasteful number, since it uses less digits than its factorization.

768168677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64698.

The product of its digits is 4741632, while the sum is 56.

The square root of 768168677 is about 27715.8560574989. The cubic root of 768168677 is about 915.8384332198.

The spelling of 768168677 in words is "seven hundred sixty-eight million, one hundred sixty-eight thousand, six hundred seventy-seven".